diff --git a/clang/include/clang/AST/OpenMPClause.h b/clang/include/clang/AST/OpenMPClause.h
index 7cef0bc9092a..d47951682658 100644
--- a/clang/include/clang/AST/OpenMPClause.h
+++ b/clang/include/clang/AST/OpenMPClause.h
@@ -2152,6 +2152,13 @@ class OMPLastprivateClause final
   friend OMPVarListClause;
   friend TrailingObjects;
 
+  /// Optional lastprivate kind, e.g. 'conditional', if specified by user.
+  OpenMPLastprivateModifier LPKind;
+  /// Optional location of the lasptrivate kind, if specified by user.
+  SourceLocation LPKindLoc;
+  /// Optional colon location, if specified by user.
+  SourceLocation ColonLoc;
+
   /// Build clause with number of variables \a N.
   ///
   /// \param StartLoc Starting location of the clause.
@@ -2159,10 +2166,13 @@ class OMPLastprivateClause final
   /// \param EndLoc Ending location of the clause.
   /// \param N Number of the variables in the clause.
   OMPLastprivateClause(SourceLocation StartLoc, SourceLocation LParenLoc,
-                       SourceLocation EndLoc, unsigned N)
+                       SourceLocation EndLoc, OpenMPLastprivateModifier LPKind,
+                       SourceLocation LPKindLoc, SourceLocation ColonLoc,
+                       unsigned N)
       : OMPVarListClause<OMPLastprivateClause>(OMPC_lastprivate, StartLoc,
                                                LParenLoc, EndLoc, N),
-        OMPClauseWithPostUpdate(this) {}
+        OMPClauseWithPostUpdate(this), LPKind(LPKind), LPKindLoc(LPKindLoc),
+        ColonLoc(ColonLoc) {}
 
   /// Build an empty clause.
   ///
@@ -2223,6 +2233,13 @@ class OMPLastprivateClause final
     return llvm::makeArrayRef(getDestinationExprs().end(), varlist_size());
   }
 
+  /// Sets lastprivate kind.
+  void setKind(OpenMPLastprivateModifier Kind) { LPKind = Kind; }
+  /// Sets location of the lastprivate kind.
+  void setKindLoc(SourceLocation Loc) { LPKindLoc = Loc; }
+  /// Sets colon symbol location.
+  void setColonLoc(SourceLocation Loc) { ColonLoc = Loc; }
+
 public:
   /// Creates clause with a list of variables \a VL.
   ///
@@ -2244,6 +2261,9 @@ public:
   /// \endcode
   /// Required for proper codegen of final assignment performed by the
   /// lastprivate clause.
+  /// \param LPKind Lastprivate kind, e.g. 'conditional'.
+  /// \param LPKindLoc Location of the lastprivate kind.
+  /// \param ColonLoc Location of the ':' symbol if lastprivate kind is used.
   /// \param PreInit Statement that must be executed before entering the OpenMP
   /// region with this clause.
   /// \param PostUpdate Expression that must be executed after exit from the
@@ -2252,7 +2272,8 @@ public:
   Create(const ASTContext &C, SourceLocation StartLoc, SourceLocation LParenLoc,
          SourceLocation EndLoc, ArrayRef<Expr *> VL, ArrayRef<Expr *> SrcExprs,
          ArrayRef<Expr *> DstExprs, ArrayRef<Expr *> AssignmentOps,
-         Stmt *PreInit, Expr *PostUpdate);
+         OpenMPLastprivateModifier LPKind, SourceLocation LPKindLoc,
+         SourceLocation ColonLoc, Stmt *PreInit, Expr *PostUpdate);
 
   /// Creates an empty clause with the place for \a N variables.
   ///
@@ -2260,6 +2281,13 @@ public:
   /// \param N The number of variables.
   static OMPLastprivateClause *CreateEmpty(const ASTContext &C, unsigned N);
 
+  /// Lastprivate kind.
+  OpenMPLastprivateModifier getKind() const { return LPKind; }
+  /// Returns the location of the lastprivate kind.
+  SourceLocation getKindLoc() const { return LPKindLoc; }
+  /// Returns the location of the ':' symbol, if any.
+  SourceLocation getColonLoc() const { return ColonLoc; }
+
   using helper_expr_iterator = MutableArrayRef<Expr *>::iterator;
   using helper_expr_const_iterator = ArrayRef<const Expr *>::iterator;
   using helper_expr_range = llvm::iterator_range<helper_expr_iterator>;
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 4797e9504f3a..b86abd0db73e 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -9768,6 +9768,9 @@ def warn_omp_declare_variant_marked_as_declare_variant : Warning<
 def note_omp_marked_declare_variant_here : Note<"marked as 'declare variant' here">;
 def err_omp_one_defaultmap_each_category: Error<
   "at most one defaultmap clause for each variable-category can appear on the directive">;
+def err_omp_lastprivate_conditional_non_scalar : Error<
+  "expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier"
+  >;
 } // end of OpenMP category
 
 let CategoryName = "Related Result Type Issue" in {
diff --git a/clang/include/clang/Basic/OpenMPKinds.def b/clang/include/clang/Basic/OpenMPKinds.def
index e7c1cbad2b9a..25a4f652d155 100644
--- a/clang/include/clang/Basic/OpenMPKinds.def
+++ b/clang/include/clang/Basic/OpenMPKinds.def
@@ -212,6 +212,9 @@
 #ifndef OPENMP_CONTEXT_SELECTOR
 #define OPENMP_CONTEXT_SELECTOR(Name)
 #endif
+#ifndef OPENMP_LASTPRIVATE_KIND
+#define OPENMP_LASTPRIVATE_KIND(Name)
+#endif
 
 // OpenMP context selector sets.
 OPENMP_CONTEXT_SELECTOR_SET(implementation)
@@ -1057,6 +1060,10 @@ OPENMP_DEVICE_TYPE_KIND(any)
 // Clauses allowed for OpenMP directive 'declare variant'.
 OPENMP_DECLARE_VARIANT_CLAUSE(match)
 
+// Type of the 'lastprivate' clause.
+OPENMP_LASTPRIVATE_KIND(conditional)
+
+#undef OPENMP_LASTPRIVATE_KIND
 #undef OPENMP_CONTEXT_SELECTOR
 #undef OPENMP_CONTEXT_SELECTOR_SET
 #undef OPENMP_DECLARE_VARIANT_CLAUSE
diff --git a/clang/include/clang/Basic/OpenMPKinds.h b/clang/include/clang/Basic/OpenMPKinds.h
index 543c1cd14907..9572528d5c3e 100644
--- a/clang/include/clang/Basic/OpenMPKinds.h
+++ b/clang/include/clang/Basic/OpenMPKinds.h
@@ -195,6 +195,13 @@ enum OpenMPDeviceType {
   OMPC_DEVICE_TYPE_unknown
 };
 
+/// OpenMP 'lastprivate' clause modifier.
+enum OpenMPLastprivateModifier {
+#define OPENMP_LASTPRIVATE_KIND(Name) OMPC_LASTPRIVATE_##Name,
+#include "clang/Basic/OpenMPKinds.def"
+  OMPC_LASTPRIVATE_unknown,
+};
+
 /// Scheduling data for loop-based OpenMP directives.
 struct OpenMPScheduleTy final {
   OpenMPScheduleClauseKind Schedule = OMPC_SCHEDULE_unknown;
diff --git a/clang/include/clang/Parse/Parser.h b/clang/include/clang/Parse/Parser.h
index 7d13a4b597c1..4778dc9d3df8 100644
--- a/clang/include/clang/Parse/Parser.h
+++ b/clang/include/clang/Parse/Parser.h
@@ -2970,15 +2970,14 @@ public:
     SourceLocation RLoc;
     CXXScopeSpec ReductionOrMapperIdScopeSpec;
     DeclarationNameInfo ReductionOrMapperId;
-    OpenMPDependClauseKind DepKind = OMPC_DEPEND_unknown;
-    OpenMPLinearClauseKind LinKind = OMPC_LINEAR_val;
+    int ExtraModifier = -1; ///< Additional modifier for linear, map, depend or
+                            ///< lastprivate clause.
     SmallVector<OpenMPMapModifierKind, OMPMapClause::NumberOfModifiers>
     MapTypeModifiers;
     SmallVector<SourceLocation, OMPMapClause::NumberOfModifiers>
     MapTypeModifiersLoc;
-    OpenMPMapClauseKind MapType = OMPC_MAP_unknown;
     bool IsMapTypeImplicit = false;
-    SourceLocation DepLinMapLoc;
+    SourceLocation DepLinMapLastLoc;
   };
 
   /// Parses clauses with list.
diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index 1507010f7432..7a7055b1fed8 100755
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -10144,11 +10144,10 @@ public:
       OpenMPClauseKind Kind, ArrayRef<Expr *> Vars, Expr *TailExpr,
       const OMPVarListLocTy &Locs, SourceLocation ColonLoc,
       CXXScopeSpec &ReductionOrMapperIdScopeSpec,
-      DeclarationNameInfo &ReductionOrMapperId, OpenMPDependClauseKind DepKind,
-      OpenMPLinearClauseKind LinKind,
+      DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier,
       ArrayRef<OpenMPMapModifierKind> MapTypeModifiers,
-      ArrayRef<SourceLocation> MapTypeModifiersLoc, OpenMPMapClauseKind MapType,
-      bool IsMapTypeImplicit, SourceLocation DepLinMapLoc);
+      ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit,
+      SourceLocation DepLinMapLastLoc);
   /// Called on well-formed 'allocate' clause.
   OMPClause *
   ActOnOpenMPAllocateClause(Expr *Allocator, ArrayRef<Expr *> VarList,
@@ -10165,10 +10164,10 @@ public:
                                            SourceLocation LParenLoc,
                                            SourceLocation EndLoc);
   /// Called on well-formed 'lastprivate' clause.
-  OMPClause *ActOnOpenMPLastprivateClause(ArrayRef<Expr *> VarList,
-                                          SourceLocation StartLoc,
-                                          SourceLocation LParenLoc,
-                                          SourceLocation EndLoc);
+  OMPClause *ActOnOpenMPLastprivateClause(
+      ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind,
+      SourceLocation LPKindLoc, SourceLocation ColonLoc,
+      SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc);
   /// Called on well-formed 'shared' clause.
   OMPClause *ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList,
                                      SourceLocation StartLoc,
diff --git a/clang/lib/AST/OpenMPClause.cpp b/clang/lib/AST/OpenMPClause.cpp
index 790b44012298..30d55ef07c1d 100644
--- a/clang/lib/AST/OpenMPClause.cpp
+++ b/clang/lib/AST/OpenMPClause.cpp
@@ -15,6 +15,7 @@
 #include "clang/AST/Decl.h"
 #include "clang/AST/DeclOpenMP.h"
 #include "clang/Basic/LLVM.h"
+#include "clang/Basic/OpenMPKinds.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -404,11 +405,12 @@ void OMPLastprivateClause::setAssignmentOps(ArrayRef<Expr *> AssignmentOps) {
 OMPLastprivateClause *OMPLastprivateClause::Create(
     const ASTContext &C, SourceLocation StartLoc, SourceLocation LParenLoc,
     SourceLocation EndLoc, ArrayRef<Expr *> VL, ArrayRef<Expr *> SrcExprs,
-    ArrayRef<Expr *> DstExprs, ArrayRef<Expr *> AssignmentOps, Stmt *PreInit,
-    Expr *PostUpdate) {
+    ArrayRef<Expr *> DstExprs, ArrayRef<Expr *> AssignmentOps,
+    OpenMPLastprivateModifier LPKind, SourceLocation LPKindLoc,
+    SourceLocation ColonLoc, Stmt *PreInit, Expr *PostUpdate) {
   void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(5 * VL.size()));
-  OMPLastprivateClause *Clause =
-      new (Mem) OMPLastprivateClause(StartLoc, LParenLoc, EndLoc, VL.size());
+  OMPLastprivateClause *Clause = new (Mem) OMPLastprivateClause(
+      StartLoc, LParenLoc, EndLoc, LPKind, LPKindLoc, ColonLoc, VL.size());
   Clause->setVarRefs(VL);
   Clause->setSourceExprs(SrcExprs);
   Clause->setDestinationExprs(DstExprs);
@@ -1428,7 +1430,13 @@ void OMPClausePrinter::VisitOMPFirstprivateClause(OMPFirstprivateClause *Node) {
 void OMPClausePrinter::VisitOMPLastprivateClause(OMPLastprivateClause *Node) {
   if (!Node->varlist_empty()) {
     OS << "lastprivate";
-    VisitOMPClauseList(Node, '(');
+    OpenMPLastprivateModifier LPKind = Node->getKind();
+    if (LPKind != OMPC_LASTPRIVATE_unknown) {
+      OS << "("
+         << getOpenMPSimpleClauseTypeName(OMPC_lastprivate, Node->getKind())
+         << ":";
+    }
+    VisitOMPClauseList(Node, LPKind == OMPC_LASTPRIVATE_unknown ? '(' : ' ');
     OS << ")";
   }
 }
diff --git a/clang/lib/Basic/OpenMPKinds.cpp b/clang/lib/Basic/OpenMPKinds.cpp
index 3222db713653..87b2ca6b0397 100644
--- a/clang/lib/Basic/OpenMPKinds.cpp
+++ b/clang/lib/Basic/OpenMPKinds.cpp
@@ -175,6 +175,11 @@ unsigned clang::getOpenMPSimpleClauseType(OpenMPClauseKind Kind,
 #define OPENMP_DEVICE_TYPE_KIND(Name) .Case(#Name, OMPC_DEVICE_TYPE_##Name)
 #include "clang/Basic/OpenMPKinds.def"
         .Default(OMPC_DEVICE_TYPE_unknown);
+  case OMPC_lastprivate:
+    return llvm::StringSwitch<OpenMPLastprivateModifier>(Str)
+#define OPENMP_LASTPRIVATE_KIND(Name) .Case(#Name, OMPC_LASTPRIVATE_##Name)
+#include "clang/Basic/OpenMPKinds.def"
+        .Default(OMPC_LASTPRIVATE_unknown);
   case OMPC_unknown:
   case OMPC_threadprivate:
   case OMPC_if:
@@ -187,7 +192,6 @@ unsigned clang::getOpenMPSimpleClauseType(OpenMPClauseKind Kind,
   case OMPC_collapse:
   case OMPC_private:
   case OMPC_firstprivate:
-  case OMPC_lastprivate:
   case OMPC_shared:
   case OMPC_reduction:
   case OMPC_task_reduction:
@@ -370,6 +374,16 @@ const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
 #include "clang/Basic/OpenMPKinds.def"
     }
     llvm_unreachable("Invalid OpenMP 'device_type' clause type");
+  case OMPC_lastprivate:
+    switch (Type) {
+    case OMPC_LASTPRIVATE_unknown:
+      return "unknown";
+#define OPENMP_LASTPRIVATE_KIND(Name)                                          \
+    case OMPC_LASTPRIVATE_##Name:                                              \
+      return #Name;
+#include "clang/Basic/OpenMPKinds.def"
+    }
+    llvm_unreachable("Invalid OpenMP 'lastprivate' clause type");
   case OMPC_unknown:
   case OMPC_threadprivate:
   case OMPC_if:
@@ -382,7 +396,6 @@ const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
   case OMPC_collapse:
   case OMPC_private:
   case OMPC_firstprivate:
-  case OMPC_lastprivate:
   case OMPC_shared:
   case OMPC_reduction:
   case OMPC_task_reduction:
diff --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp
index 181ed3313253..3e8c75b201a8 100644
--- a/clang/lib/Parse/ParseOpenMP.cpp
+++ b/clang/lib/Parse/ParseOpenMP.cpp
@@ -12,6 +12,7 @@
 
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/StmtOpenMP.h"
+#include "clang/Basic/OpenMPKinds.h"
 #include "clang/Parse/ParseDiagnostic.h"
 #include "clang/Parse/Parser.h"
 #include "clang/Parse/RAIIObjectsForParser.h"
@@ -746,11 +747,12 @@ static bool parseDeclareSimdClauses(
         if (CKind == OMPC_aligned) {
           Alignments.append(Aligneds.size() - Alignments.size(), Data.TailExpr);
         } else if (CKind == OMPC_linear) {
-          if (P.getActions().CheckOpenMPLinearModifier(Data.LinKind,
-                                                       Data.DepLinMapLoc))
-            Data.LinKind = OMPC_LINEAR_val;
+          if (P.getActions().CheckOpenMPLinearModifier(
+                  static_cast<OpenMPLinearClauseKind>(Data.ExtraModifier),
+                  Data.DepLinMapLastLoc))
+            Data.ExtraModifier = OMPC_LINEAR_val;
           LinModifiers.append(Linears.size() - LinModifiers.size(),
-                              Data.LinKind);
+                              Data.ExtraModifier);
           Steps.append(Linears.size() - Steps.size(), Data.TailExpr);
         }
       } else
@@ -2640,8 +2642,8 @@ static void parseMapType(Parser &P, Parser::OpenMPVarListDataTy &Data) {
     P.Diag(Tok, diag::err_omp_map_type_missing);
     return;
   }
-  Data.MapType = isMapType(P);
-  if (Data.MapType == OMPC_MAP_unknown)
+  Data.ExtraModifier = isMapType(P);
+  if (Data.ExtraModifier == OMPC_MAP_unknown)
     P.Diag(Tok, diag::err_omp_unknown_map_type);
   P.ConsumeToken();
 }
@@ -2686,20 +2688,18 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
       Data.ReductionOrMapperId =
           Actions.GetNameFromUnqualifiedId(UnqualifiedReductionId);
   } else if (Kind == OMPC_depend) {
-  // Handle dependency type for depend clause.
+    // Handle dependency type for depend clause.
     ColonProtectionRAIIObject ColonRAII(*this);
-    Data.DepKind =
-        static_cast<OpenMPDependClauseKind>(getOpenMPSimpleClauseType(
-            Kind, Tok.is(tok::identifier) ? PP.getSpelling(Tok) : ""));
-    Data.DepLinMapLoc = Tok.getLocation();
-
-    if (Data.DepKind == OMPC_DEPEND_unknown) {
+    Data.ExtraModifier = getOpenMPSimpleClauseType(
+        Kind, Tok.is(tok::identifier) ? PP.getSpelling(Tok) : "");
+    Data.DepLinMapLastLoc = Tok.getLocation();
+    if (Data.ExtraModifier == OMPC_DEPEND_unknown) {
       SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end,
                 StopBeforeMatch);
     } else {
       ConsumeToken();
       // Special processing for depend(source) clause.
-      if (DKind == OMPD_ordered && Data.DepKind == OMPC_DEPEND_source) {
+      if (DKind == OMPD_ordered && Data.ExtraModifier == OMPC_DEPEND_source) {
         // Parse ')'.
         T.consumeClose();
         return false;
@@ -2714,13 +2714,32 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
     }
   } else if (Kind == OMPC_linear) {
     // Try to parse modifier if any.
+    Data.ExtraModifier = OMPC_LINEAR_val;
     if (Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::l_paren)) {
-      Data.LinKind = static_cast<OpenMPLinearClauseKind>(
-          getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok)));
-      Data.DepLinMapLoc = ConsumeToken();
+      Data.ExtraModifier = getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok));
+      Data.DepLinMapLastLoc = ConsumeToken();
       LinearT.consumeOpen();
       NeedRParenForLinear = true;
     }
+  } else if (Kind == OMPC_lastprivate) {
+    // Try to parse modifier if any.
+    Data.ExtraModifier = OMPC_LASTPRIVATE_unknown;
+    // Conditional modifier allowed only in OpenMP 5.0 and not supported in
+    // distribute and taskloop based directives.
+    if ((getLangOpts().OpenMP >= 50 && !isOpenMPDistributeDirective(DKind) &&
+         !isOpenMPTaskLoopDirective(DKind)) &&
+        Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::colon)) {
+      Data.ExtraModifier = getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok));
+      Data.DepLinMapLastLoc = Tok.getLocation();
+      if (Data.ExtraModifier == OMPC_LASTPRIVATE_unknown) {
+        SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end,
+                  StopBeforeMatch);
+      } else {
+        ConsumeToken();
+      }
+      assert(Tok.is(tok::colon) && "Expected colon.");
+      Data.ColonLoc = ConsumeToken();
+    }
   } else if (Kind == OMPC_map) {
     // Handle map type for map clause.
     ColonProtectionRAIIObject ColonRAII(*this);
@@ -2728,7 +2747,8 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
     // The first identifier may be a list item, a map-type or a
     // map-type-modifier. The map-type can also be delete which has the same
     // spelling of the C++ delete keyword.
-    Data.DepLinMapLoc = Tok.getLocation();
+    Data.ExtraModifier = OMPC_MAP_unknown;
+    Data.DepLinMapLastLoc = Tok.getLocation();
 
     // Check for presence of a colon in the map clause.
     TentativeParsingAction TPA(*this);
@@ -2748,8 +2768,8 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
       else
         SkipUntil(tok::colon, tok::annot_pragma_openmp_end, StopBeforeMatch);
     }
-    if (Data.MapType == OMPC_MAP_unknown) {
-      Data.MapType = OMPC_MAP_tofrom;
+    if (Data.ExtraModifier == OMPC_MAP_unknown) {
+      Data.ExtraModifier = OMPC_MAP_tofrom;
       Data.IsMapTypeImplicit = true;
     }
 
@@ -2815,8 +2835,8 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
       (Kind != OMPC_reduction && Kind != OMPC_task_reduction &&
        Kind != OMPC_in_reduction && Kind != OMPC_depend && Kind != OMPC_map) ||
       (Kind == OMPC_reduction && !InvalidReductionId) ||
-      (Kind == OMPC_map && Data.MapType != OMPC_MAP_unknown) ||
-      (Kind == OMPC_depend && Data.DepKind != OMPC_DEPEND_unknown);
+      (Kind == OMPC_map && Data.ExtraModifier != OMPC_MAP_unknown) ||
+      (Kind == OMPC_depend && Data.ExtraModifier != OMPC_DEPEND_unknown);
   const bool MayHaveTail = (Kind == OMPC_linear || Kind == OMPC_aligned);
   while (IsComma || (Tok.isNot(tok::r_paren) && Tok.isNot(tok::colon) &&
                      Tok.isNot(tok::annot_pragma_openmp_end))) {
@@ -2866,7 +2886,7 @@ bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind,
   Data.RLoc = Tok.getLocation();
   if (!T.consumeClose())
     Data.RLoc = T.getCloseLocation();
-  return (Kind == OMPC_depend && Data.DepKind != OMPC_DEPEND_unknown &&
+  return (Kind == OMPC_depend && Data.ExtraModifier != OMPC_DEPEND_unknown &&
           Vars.empty()) ||
          (Kind != OMPC_depend && Kind != OMPC_map && Vars.empty()) ||
          (MustHaveTail && !Data.TailExpr) || InvalidReductionId ||
@@ -2936,8 +2956,8 @@ OMPClause *Parser::ParseOpenMPVarListClause(OpenMPDirectiveKind DKind,
   OMPVarListLocTy Locs(Loc, LOpen, Data.RLoc);
   return Actions.ActOnOpenMPVarListClause(
       Kind, Vars, Data.TailExpr, Locs, Data.ColonLoc,
-      Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId, Data.DepKind,
-      Data.LinKind, Data.MapTypeModifiers, Data.MapTypeModifiersLoc,
-      Data.MapType, Data.IsMapTypeImplicit, Data.DepLinMapLoc);
+      Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId,
+      Data.ExtraModifier, Data.MapTypeModifiers, Data.MapTypeModifiersLoc,
+      Data.IsMapTypeImplicit, Data.DepLinMapLastLoc);
 }
 
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 7365fda62bee..404ca5028de5 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -12402,11 +12402,10 @@ OMPClause *Sema::ActOnOpenMPVarListClause(
     OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *TailExpr,
     const OMPVarListLocTy &Locs, SourceLocation ColonLoc,
     CXXScopeSpec &ReductionOrMapperIdScopeSpec,
-    DeclarationNameInfo &ReductionOrMapperId, OpenMPDependClauseKind DepKind,
-    OpenMPLinearClauseKind LinKind,
+    DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier,
     ArrayRef<OpenMPMapModifierKind> MapTypeModifiers,
-    ArrayRef<SourceLocation> MapTypeModifiersLoc, OpenMPMapClauseKind MapType,
-    bool IsMapTypeImplicit, SourceLocation DepLinMapLoc) {
+    ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit,
+    SourceLocation DepLinMapLastLoc) {
   SourceLocation StartLoc = Locs.StartLoc;
   SourceLocation LParenLoc = Locs.LParenLoc;
   SourceLocation EndLoc = Locs.EndLoc;
@@ -12419,7 +12418,9 @@ OMPClause *Sema::ActOnOpenMPVarListClause(
     Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc);
     break;
   case OMPC_lastprivate:
-    Res = ActOnOpenMPLastprivateClause(VarList, StartLoc, LParenLoc, EndLoc);
+    Res = ActOnOpenMPLastprivateClause(
+        VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier),
+        DepLinMapLastLoc, ColonLoc, StartLoc, LParenLoc, EndLoc);
     break;
   case OMPC_shared:
     Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc);
@@ -12440,8 +12441,10 @@ OMPClause *Sema::ActOnOpenMPVarListClause(
                                        ReductionOrMapperId);
     break;
   case OMPC_linear:
-    Res = ActOnOpenMPLinearClause(VarList, TailExpr, StartLoc, LParenLoc,
-                                  LinKind, DepLinMapLoc, ColonLoc, EndLoc);
+    Res = ActOnOpenMPLinearClause(
+        VarList, TailExpr, StartLoc, LParenLoc,
+        static_cast<OpenMPLinearClauseKind>(ExtraModifier), DepLinMapLastLoc,
+        ColonLoc, EndLoc);
     break;
   case OMPC_aligned:
     Res = ActOnOpenMPAlignedClause(VarList, TailExpr, StartLoc, LParenLoc,
@@ -12457,14 +12460,15 @@ OMPClause *Sema::ActOnOpenMPVarListClause(
     Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc);
     break;
   case OMPC_depend:
-    Res = ActOnOpenMPDependClause(DepKind, DepLinMapLoc, ColonLoc, VarList,
-                                  StartLoc, LParenLoc, EndLoc);
+    Res = ActOnOpenMPDependClause(
+        static_cast<OpenMPDependClauseKind>(ExtraModifier), DepLinMapLastLoc,
+        ColonLoc, VarList, StartLoc, LParenLoc, EndLoc);
     break;
   case OMPC_map:
-    Res = ActOnOpenMPMapClause(MapTypeModifiers, MapTypeModifiersLoc,
-                               ReductionOrMapperIdScopeSpec,
-                               ReductionOrMapperId, MapType, IsMapTypeImplicit,
-                               DepLinMapLoc, ColonLoc, VarList, Locs);
+    Res = ActOnOpenMPMapClause(
+        MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec,
+        ReductionOrMapperId, static_cast<OpenMPMapClauseKind>(ExtraModifier),
+        IsMapTypeImplicit, DepLinMapLastLoc, ColonLoc, VarList, Locs);
     break;
   case OMPC_to:
     Res = ActOnOpenMPToClause(VarList, ReductionOrMapperIdScopeSpec,
@@ -12990,10 +12994,19 @@ OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList,
                                        buildPreInits(Context, ExprCaptures));
 }
 
-OMPClause *Sema::ActOnOpenMPLastprivateClause(ArrayRef<Expr *> VarList,
-                                              SourceLocation StartLoc,
-                                              SourceLocation LParenLoc,
-                                              SourceLocation EndLoc) {
+OMPClause *Sema::ActOnOpenMPLastprivateClause(
+    ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind,
+    SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc,
+    SourceLocation LParenLoc, SourceLocation EndLoc) {
+  if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) {
+    assert(ColonLoc.isValid() && "Colon location must be valid.");
+    Diag(LPKindLoc, diag::err_omp_unexpected_clause_value)
+        << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0,
+                                   /*Last=*/OMPC_LASTPRIVATE_unknown)
+        << getOpenMPClauseName(OMPC_lastprivate);
+    return nullptr;
+  }
+
   SmallVector<Expr *, 8> Vars;
   SmallVector<Expr *, 8> SrcExprs;
   SmallVector<Expr *, 8> DstExprs;
@@ -13039,6 +13052,19 @@ OMPClause *Sema::ActOnOpenMPLastprivateClause(ArrayRef<Expr *> VarList,
     if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc))
       continue;
 
+    // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions]
+    // A list item that appears in a lastprivate clause with the conditional
+    // modifier must be a scalar variable.
+    if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) {
+      Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar);
+      bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) ==
+                               VarDecl::DeclarationOnly;
+      Diag(D->getLocation(),
+           IsDecl ? diag::note_previous_decl : diag::note_defined_here)
+          << D;
+      continue;
+    }
+
     OpenMPDirectiveKind CurrDir = DSAStack->getCurrentDirective();
     // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced
     // in a Construct]
@@ -13147,6 +13173,7 @@ OMPClause *Sema::ActOnOpenMPLastprivateClause(ArrayRef<Expr *> VarList,
 
   return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc,
                                       Vars, SrcExprs, DstExprs, AssignmentOps,
+                                      LPKind, LPKindLoc, ColonLoc,
                                       buildPreInits(Context, ExprCaptures),
                                       buildPostUpdate(*this, ExprPostUpdates));
 }
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index 2860db365f3b..e2b22c34e938 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -1678,11 +1678,14 @@ public:
   /// By default, performs semantic analysis to build the new OpenMP clause.
   /// Subclasses may override this routine to provide different behavior.
   OMPClause *RebuildOMPLastprivateClause(ArrayRef<Expr *> VarList,
+                                         OpenMPLastprivateModifier LPKind,
+                                         SourceLocation LPKindLoc,
+                                         SourceLocation ColonLoc,
                                          SourceLocation StartLoc,
                                          SourceLocation LParenLoc,
                                          SourceLocation EndLoc) {
-    return getSema().ActOnOpenMPLastprivateClause(VarList, StartLoc, LParenLoc,
-                                                  EndLoc);
+    return getSema().ActOnOpenMPLastprivateClause(
+        VarList, LPKind, LPKindLoc, ColonLoc, StartLoc, LParenLoc, EndLoc);
   }
 
   /// Build a new OpenMP 'shared' clause.
@@ -8782,7 +8785,8 @@ TreeTransform<Derived>::TransformOMPLastprivateClause(OMPLastprivateClause *C) {
     Vars.push_back(EVar.get());
   }
   return getDerived().RebuildOMPLastprivateClause(
-      Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc());
+      Vars, C->getKind(), C->getKindLoc(), C->getColonLoc(), C->getBeginLoc(),
+      C->getLParenLoc(), C->getEndLoc());
 }
 
 template <typename Derived>
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 032ce888969e..258db0ddec84 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/Basic/OpenMPKinds.h"
 #include "clang/Serialization/ASTRecordReader.h"
 #include "ASTCommon.h"
 #include "ASTReaderInternals.h"
@@ -11878,6 +11879,9 @@ void OMPClauseReader::VisitOMPFirstprivateClause(OMPFirstprivateClause *C) {
 void OMPClauseReader::VisitOMPLastprivateClause(OMPLastprivateClause *C) {
   VisitOMPClauseWithPostUpdate(C);
   C->setLParenLoc(Record.readSourceLocation());
+  C->setKind(Record.readEnum<OpenMPLastprivateModifier>());
+  C->setKindLoc(Record.readSourceLocation());
+  C->setColonLoc(Record.readSourceLocation());
   unsigned NumVars = C->varlist_size();
   SmallVector<Expr *, 16> Vars;
   Vars.reserve(NumVars);
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 2e2ce0e875d0..5fe0f24c2552 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -6170,6 +6170,9 @@ void OMPClauseWriter::VisitOMPLastprivateClause(OMPLastprivateClause *C) {
   Record.push_back(C->varlist_size());
   VisitOMPClauseWithPostUpdate(C);
   Record.AddSourceLocation(C->getLParenLoc());
+  Record.writeEnum(C->getKind());
+  Record.AddSourceLocation(C->getKindLoc());
+  Record.AddSourceLocation(C->getColonLoc());
   for (auto *VE : C->varlists())
     Record.AddStmt(VE);
   for (auto *E : C->private_copies())
diff --git a/clang/test/OpenMP/distribute_parallel_for_lastprivate_messages.cpp b/clang/test/OpenMP/distribute_parallel_for_lastprivate_messages.cpp
index 2f337fc7f9c1..6ff3ad949806 100644
--- a/clang/test/OpenMP/distribute_parallel_for_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/distribute_parallel_for_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 %s -Wuninitialized
+// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
+// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=50 %s -Wuninitialized
 
 void foo() {
 }
@@ -107,6 +109,11 @@ int foomain(int argc, char **argv) {
     ++k;
 #pragma omp target
 #pragma omp teams
+#pragma omp distribute parallel for lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp target
+#pragma omp teams
 #pragma omp distribute parallel for lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/distribute_parallel_for_simd_lastprivate_messages.cpp b/clang/test/OpenMP/distribute_parallel_for_simd_lastprivate_messages.cpp
index 140e0eb624e9..aeb2ded6fb0c 100644
--- a/clang/test/OpenMP/distribute_parallel_for_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/distribute_parallel_for_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 %s -Wno-openmp-mapping -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 %s -Wno-openmp-mapping -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -108,6 +110,11 @@ int foomain(int argc, char **argv) {
     ++k;
 #pragma omp target
 #pragma omp teams
+#pragma omp distribute parallel for simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp target
+#pragma omp teams
 #pragma omp distribute parallel for simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -298,8 +305,8 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error{{loop iteration variable in the associated loop of 'omp distribute parallel for simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp distribute parallel for simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error {{loop iteration variable in the associated loop of 'omp distribute parallel for simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp target
 #pragma omp teams
diff --git a/clang/test/OpenMP/distribute_simd_lastprivate_messages.cpp b/clang/test/OpenMP/distribute_simd_lastprivate_messages.cpp
index b6efc4ca48c6..8929b885d112 100644
--- a/clang/test/OpenMP/distribute_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/distribute_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45  -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -113,6 +115,11 @@ int foomain(int argc, char **argv) {
     ++k;
 #pragma omp target
 #pragma omp teams
+#pragma omp distribute simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp target
+#pragma omp teams
 #pragma omp distribute simd lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -298,8 +305,8 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error{{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp distribute simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error{{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp target
 #pragma omp teams
diff --git a/clang/test/OpenMP/for_lastprivate_messages.cpp b/clang/test/OpenMP/for_lastprivate_messages.cpp
index 919b40f9ccd4..4d6d85fa6c91 100644
--- a/clang/test/OpenMP/for_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/for_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -55,7 +57,7 @@ public:
 };
 class S6 {
   int a;
-  S6() : a(0) {}
+  S6() : a(0) {} // omp45-note 2 {{implicitly declared private here}}
 
 public:
   S6(const S6 &s6) : a(s6.a) {}
@@ -71,6 +73,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i, k;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp parallel
 #pragma omp for lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   for (int k = 0; k < argc; ++k)
@@ -104,6 +107,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp for lastprivate(conditional: argc,s) lastprivate(conditional: // omp45-error 2 {{use of undeclared identifier 'conditional'}} omp50-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error 2 {{calling a private constructor of class 'S6'}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp for lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/for_simd_lastprivate_messages.cpp b/clang/test/OpenMP/for_simd_lastprivate_messages.cpp
index a69a3c18fb9d..ac52f8a2fa89 100644
--- a/clang/test/OpenMP/for_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/for_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -55,7 +57,7 @@ public:
 };
 class S6 {
   int a;
-  S6() : a(0) {}
+  S6() : a(0) {} // omp45-note 2 {{implicitly declared private here}}
 
 public:
   S6(const S6 &s6) : a(s6.a) {}
@@ -71,6 +73,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i, z;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp parallel
 #pragma omp for simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   for (int k = 0; k < argc; ++k)
@@ -104,6 +107,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp for simd lastprivate(conditional: argc,s) lastprivate(conditional: // omp45-error 2 {{use of undeclared identifier 'conditional'}} omp50-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error 2 {{calling a private constructor of class 'S6'}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp for simd lastprivate(z, a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -252,8 +259,8 @@ int main(int argc, char **argv) {
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp parallel
-#pragma omp for simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp for simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp for simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error {{loop iteration variable in the associated loop of 'omp for simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp parallel private(xa) // expected-note {{defined as private}}
 #pragma omp for simd lastprivate(xa)  // expected-error {{lastprivate variable must be shared}}
diff --git a/clang/test/OpenMP/master_taskloop_lastprivate_messages.cpp b/clang/test/OpenMP/master_taskloop_lastprivate_messages.cpp
index c8af6b21534f..86623a5bf5ca 100644
--- a/clang/test/OpenMP/master_taskloop_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/master_taskloop_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -109,6 +111,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp master taskloop lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp master taskloop lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp b/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp
index 04881fde3730..fc74cf7023e0 100644
--- a/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp
+++ b/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp
@@ -63,7 +63,7 @@ T tmain(T argc) {
 
 // CHECK-LABEL: int main(int argc, char **argv) {
 int main(int argc, char **argv) {
-  int b = argc, c, d, e, f, g;
+  int b = argc, c, d, e, f, g, h;
   static int a;
 // CHECK: static int a;
 #pragma omp taskgroup task_reduction(+: d)
diff --git a/clang/test/OpenMP/master_taskloop_simd_lastprivate_messages.cpp b/clang/test/OpenMP/master_taskloop_simd_lastprivate_messages.cpp
index d6745385c5ba..ce9868ee91c0 100644
--- a/clang/test/OpenMP/master_taskloop_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/master_taskloop_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -113,6 +115,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp master taskloop simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp master taskloop simd lastprivate(z, a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -268,8 +274,8 @@ int main(int argc, char **argv) {
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp parallel
-#pragma omp master taskloop simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp master taskloop simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp master taskloop simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error {{loop iteration variable in the associated loop of 'omp master taskloop simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp parallel private(xa)
 #pragma omp master taskloop simd lastprivate(xa)
diff --git a/clang/test/OpenMP/parallel_for_ast_print.cpp b/clang/test/OpenMP/parallel_for_ast_print.cpp
index 6eb4a210daaf..02cabed11609 100644
--- a/clang/test/OpenMP/parallel_for_ast_print.cpp
+++ b/clang/test/OpenMP/parallel_for_ast_print.cpp
@@ -70,8 +70,8 @@ T tmain(T argc) {
 // CHECK: static T a;
   static T g;
 #pragma omp threadprivate(g)
-#pragma omp parallel for schedule(dynamic) default(none) copyin(g) linear(a) allocate(a)
-  // CHECK: #pragma omp parallel for schedule(dynamic) default(none) copyin(g) linear(a) allocate(a)
+#pragma omp parallel for schedule(dynamic) default(none) copyin(g) linear(a) allocate(a) lastprivate(conditional: d, e,f)
+  // CHECK: #pragma omp parallel for schedule(dynamic) default(none) copyin(g) linear(a) allocate(a) lastprivate(conditional: d,e,f)
   for (int i = 0; i < 2; ++i)
     a = 2;
 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
diff --git a/clang/test/OpenMP/parallel_for_lastprivate_messages.cpp b/clang/test/OpenMP/parallel_for_lastprivate_messages.cpp
index 4a7c346bbf20..ae548d88b08c 100644
--- a/clang/test/OpenMP/parallel_for_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/parallel_for_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -55,7 +57,7 @@ public:
 };
 class S6 {
   int a;
-  S6() : a(0) {}
+  S6() : a(0) {} // omp45-note 2 {{implicitly declared private here}}
 
 public:
   S6(const S6 &s6) : a(s6.a) {}
@@ -71,6 +73,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i, z;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp parallel for lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -92,6 +95,9 @@ int foomain(int argc, char **argv) {
 #pragma omp parallel for lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k)
     ++k;
+#pragma omp parallel for lastprivate(conditional: argc,s) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error 2 {{calling a private constructor of class 'S6'}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
 #pragma omp parallel for lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/parallel_for_simd_ast_print.cpp b/clang/test/OpenMP/parallel_for_simd_ast_print.cpp
index 74716c62dab9..37471f34aa7b 100644
--- a/clang/test/OpenMP/parallel_for_simd_ast_print.cpp
+++ b/clang/test/OpenMP/parallel_for_simd_ast_print.cpp
@@ -155,11 +155,11 @@ int main (int argc, char **argv) {
   static int *a;
 // CHECK: static int *a;
 #ifdef OMP5
-#pragma omp parallel for simd if(parallel :b) ordered if(simd: b) nontemporal(argc, c)
+#pragma omp parallel for simd if(parallel :b) ordered if(simd: b) nontemporal(argc, c) lastprivate(conditional:d,f)
 #else
 #pragma omp parallel for simd if(parallel :b) ordered
 #endif // OMP5
-// OMP50-NEXT: #pragma omp parallel for simd if(parallel: b) ordered if(simd: b) nontemporal(argc,c)
+// OMP50-NEXT: #pragma omp parallel for simd if(parallel: b) ordered if(simd: b) nontemporal(argc,c) lastprivate(conditional: d,f)
 // OMP45-NEXT: #pragma omp parallel for simd if(parallel: b) ordered
   for (int i=0; i < 2; ++i)*a=2;
 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
diff --git a/clang/test/OpenMP/parallel_for_simd_lastprivate_messages.cpp b/clang/test/OpenMP/parallel_for_simd_lastprivate_messages.cpp
index e47a6090b620..cfafc7c4d25c 100644
--- a/clang/test/OpenMP/parallel_for_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/parallel_for_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -70,6 +72,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i, z;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp parallel for simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -91,6 +94,9 @@ int foomain(int argc, char **argv) {
 #pragma omp parallel for simd lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k)
     ++k;
+#pragma omp parallel for simd lastprivate(conditional: s,argc) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
 #pragma omp parallel for simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -214,8 +220,8 @@ int main(int argc, char **argv) {
 #pragma omp parallel for simd private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
   for (i = 0; i < argc; ++i)
     foo();
-#pragma omp parallel for simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp parallel for simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp parallel for simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error {{loop iteration variable in the associated loop of 'omp parallel for simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp parallel private(xa)
 #pragma omp parallel for simd lastprivate(xa)
diff --git a/clang/test/OpenMP/parallel_master_taskloop_lastprivate_messages.cpp b/clang/test/OpenMP/parallel_master_taskloop_lastprivate_messages.cpp
index 6440afc0456a..2c5ff2d892b2 100644
--- a/clang/test/OpenMP/parallel_master_taskloop_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/parallel_master_taskloop_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -109,6 +111,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp parallel master taskloop lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp parallel master taskloop lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp b/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp
index 3655a8128eb5..d8d36a2ff72e 100644
--- a/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp
+++ b/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp
@@ -62,7 +62,7 @@ T tmain(T argc) {
 
 // CHECK-LABEL: int main(int argc, char **argv) {
 int main(int argc, char **argv) {
-  int b = argc, c, d, e, f, g;
+  int b = argc, c, d, e, f, g, h;
   static int a;
 // CHECK: static int a;
 #pragma omp taskgroup task_reduction(+: d)
diff --git a/clang/test/OpenMP/parallel_master_taskloop_simd_lastprivate_messages.cpp b/clang/test/OpenMP/parallel_master_taskloop_simd_lastprivate_messages.cpp
index 38e083e68b2a..7cbbb72a2708 100644
--- a/clang/test/OpenMP/parallel_master_taskloop_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/parallel_master_taskloop_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -109,6 +111,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp parallel master taskloop simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp parallel master taskloop simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/parallel_sections_lastprivate_messages.cpp b/clang/test/OpenMP/parallel_sections_lastprivate_messages.cpp
index 5f3a2e7244b4..79857db19fc8 100644
--- a/clang/test/OpenMP/parallel_sections_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/parallel_sections_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -66,7 +68,7 @@ S3 h;
 
 template <class I, class C>
 int foomain(int argc, char **argv) {
-  I e(4);
+  I e(4); // omp50-note {{'e' defined here}}
   I g(5);
   int i;
   int &j = i;
@@ -98,6 +100,10 @@ int foomain(int argc, char **argv) {
   {
     foo();
   }
+#pragma omp parallel sections lastprivate(conditional: e,argc) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  {
+    foo();
+  }
 #pragma omp parallel sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   {
     foo();
diff --git a/clang/test/OpenMP/sections_lastprivate_messages.cpp b/clang/test/OpenMP/sections_lastprivate_messages.cpp
index 37a0100bf65e..9a92397b0248 100644
--- a/clang/test/OpenMP/sections_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/sections_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -54,7 +56,7 @@ public:
 };
 class S6 {
   int a;
-  S6() : a(0) {}
+  S6() : a(0) {} // omp45-note 2 {{implicitly declared private here}}
 
 public:
   S6(const S6 &s6) : a(s6.a) {}
@@ -70,6 +72,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i, k;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp parallel
 #pragma omp sections lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   {
@@ -106,6 +109,11 @@ int foomain(int argc, char **argv) {
     foo();
   }
 #pragma omp parallel
+#pragma omp sections lastprivate(conditional: argc,s) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error 2 {{calling a private constructor of class 'S6'}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}}
+  {
+    foo();
+  }
+#pragma omp parallel
 #pragma omp sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   {
     foo();
diff --git a/clang/test/OpenMP/simd_ast_print.cpp b/clang/test/OpenMP/simd_ast_print.cpp
index 62f6a2459cce..cbb94f8de815 100644
--- a/clang/test/OpenMP/simd_ast_print.cpp
+++ b/clang/test/OpenMP/simd_ast_print.cpp
@@ -164,8 +164,8 @@ int main (int argc, char **argv) {
 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
 // CHECK-NEXT: *a = 2;
 #ifdef OMP5
-#pragma omp simd private(argc, b),lastprivate(d,f) collapse(2) aligned(a : 4) if(simd:a) nontemporal(argc, c, d)
-// OMP50-NEXT: #pragma omp simd private(argc,b) lastprivate(d,f) collapse(2) aligned(a: 4) if(simd: a) nontemporal(argc,c,d)
+#pragma omp simd private(argc, b),lastprivate(d,f) collapse(2) aligned(a : 4) if(simd:a) nontemporal(argc, c, d) lastprivate(conditional: e, f)
+// OMP50-NEXT: #pragma omp simd private(argc,b) lastprivate(d,f) collapse(2) aligned(a: 4) if(simd: a) nontemporal(argc,c,d) lastprivate(conditional: e,f)
 #else
 #pragma omp simd private(argc, b),lastprivate(d,f) collapse(2) aligned(a : 4)
 // OMP45-NEXT: #pragma omp simd private(argc,b) lastprivate(d,f) collapse(2) aligned(a: 4)
diff --git a/clang/test/OpenMP/simd_lastprivate_messages.cpp b/clang/test/OpenMP/simd_lastprivate_messages.cpp
index e9171af2eb7e..5cc692693b46 100644
--- a/clang/test/OpenMP/simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -91,6 +93,9 @@ int foomain(I argc, C **argv) {
 #pragma omp simd lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k)
     ++k;
+#pragma omp simd lastprivate(conditional: argc,g) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
 #pragma omp simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -205,8 +210,8 @@ int main(int argc, char **argv) {
 #pragma omp simd private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
   for (i = 0; i < argc; ++i)
     foo();
-#pragma omp simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error {{loop iteration variable in the associated loop of 'omp simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp parallel private(xa)
 #pragma omp simd lastprivate(xa) // OK: may be lastprivate
diff --git a/clang/test/OpenMP/target_parallel_for_lastprivate_messages.cpp b/clang/test/OpenMP/target_parallel_for_lastprivate_messages.cpp
index 906b5923e364..4ba214313c25 100644
--- a/clang/test/OpenMP/target_parallel_for_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/target_parallel_for_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -80,6 +82,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp target parallel for lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -101,6 +104,9 @@ int foomain(int argc, char **argv) {
 #pragma omp target parallel for lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k)
     ++k;
+#pragma omp target parallel for lastprivate(conditional: s,argc) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
 #pragma omp target parallel for lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/target_parallel_for_simd_lastprivate_messages.cpp b/clang/test/OpenMP/target_parallel_for_simd_lastprivate_messages.cpp
index 04f52f540d4c..128eb925d2c5 100644
--- a/clang/test/OpenMP/target_parallel_for_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/target_parallel_for_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -64,7 +66,7 @@ public:
 };
 class S6 {
   int a;
-  S6() : a(0) {}
+  S6() : a(0) {} // omp45-note 2 {{implicitly declared private here}}
 
 public:
   S6(const S6 &s6) : a(s6.a) {}
@@ -80,6 +82,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i, z;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp target parallel for simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -101,6 +104,9 @@ int foomain(int argc, char **argv) {
 #pragma omp target parallel for simd allocate(omp_thread_mem_alloc: argc) lastprivate(argc) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel for simd' directive}}
   for (int k = 0; k < argc; ++k)
     ++k;
+#pragma omp target parallel for simd lastprivate(conditional: argc,s) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error 2 {{calling a private constructor of class 'S6'}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
 #pragma omp target parallel for simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -221,8 +227,8 @@ int main(int argc, char **argv) {
 #pragma omp target parallel for simd private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
   for (i = 0; i < argc; ++i)
     foo();
-// expected-note@+2 {{defined as lastprivate}}
-// expected-error@+2 {{loop iteration variable in the associated loop of 'omp target parallel for simd' directive may not be lastprivate, predetermined as linear}}
+// omp45-note@+2 {{defined as lastprivate}}
+// omp45-error@+2 {{loop iteration variable in the associated loop of 'omp target parallel for simd' directive may not be lastprivate, predetermined as linear}}
 #pragma omp target parallel for simd lastprivate(i)
   for (i = 0; i < argc; ++i)
     foo();
diff --git a/clang/test/OpenMP/target_simd_ast_print.cpp b/clang/test/OpenMP/target_simd_ast_print.cpp
index b5e3bf6461aa..41f8126a7736 100644
--- a/clang/test/OpenMP/target_simd_ast_print.cpp
+++ b/clang/test/OpenMP/target_simd_ast_print.cpp
@@ -242,13 +242,13 @@ int main(int argc, char **argv) {
   // CHECK-NEXT: }
 
 #ifdef OMP5
-#pragma omp target simd if (target:argc > 0) if(simd:argc) nontemporal(argc, c, d)
+#pragma omp target simd if (target:argc > 0) if(simd:argc) nontemporal(argc, c, d) lastprivate(conditional: d, f)
 #else
 #pragma omp target simd if (target:argc > 0)
 #endif // OMP5
   for (int i = 0; i < 2; ++i) {}
   // OMP45: #pragma omp target simd if(target: argc > 0)
-  // OMP50: #pragma omp target simd if(target: argc > 0) if(simd: argc) nontemporal(argc,c,d)
+  // OMP50: #pragma omp target simd if(target: argc > 0) if(simd: argc) nontemporal(argc,c,d) lastprivate(conditional: d,f)
   // CHECK-NEXT: for (int i = 0; i < 2; ++i) {
   // CHECK-NEXT: }
 
diff --git a/clang/test/OpenMP/target_simd_lastprivate_messages.cpp b/clang/test/OpenMP/target_simd_lastprivate_messages.cpp
index 6f1ef52d7715..97ce9e3df3a0 100644
--- a/clang/test/OpenMP/target_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/target_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -80,6 +82,7 @@ int foomain(int argc, char **argv) {
   I g(5);
   int i;
   int &j = i;
+  S6 s(0); // omp50-note {{'s' defined here}}
 #pragma omp target simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -101,6 +104,9 @@ int foomain(int argc, char **argv) {
 #pragma omp target simd lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k)
     ++k;
+#pragma omp target simd lastprivate(conditional: s,argc) lastprivate(conditional: // omp45-error 2 {{use of undeclared identifier 'conditional'}} omp50-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
 #pragma omp target simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -221,8 +227,8 @@ int main(int argc, char **argv) {
 #pragma omp target simd private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
   for (i = 0; i < argc; ++i)
     foo();
-#pragma omp target simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp target simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp target simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error {{loop iteration variable in the associated loop of 'omp target simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp parallel private(xa)
 #pragma omp target simd lastprivate(xa)
diff --git a/clang/test/OpenMP/target_teams_distribute_lastprivate_messages.cpp b/clang/test/OpenMP/target_teams_distribute_lastprivate_messages.cpp
index d02557c4e724..f76c13fd27d8 100644
--- a/clang/test/OpenMP/target_teams_distribute_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/target_teams_distribute_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -175,6 +177,8 @@ int main(int argc, char **argv) {
 #pragma omp target teams distribute lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (i = 0; i < argc; ++i) foo();
 
+#pragma omp target teams distribute lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
 #pragma omp target teams distribute lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (i = 0; i < argc; ++i) foo();
 
diff --git a/clang/test/OpenMP/target_teams_distribute_parallel_for_lastprivate_messages.cpp b/clang/test/OpenMP/target_teams_distribute_parallel_for_lastprivate_messages.cpp
index 8551701f8870..8f4fd88a0818 100644
--- a/clang/test/OpenMP/target_teams_distribute_parallel_for_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/target_teams_distribute_parallel_for_lastprivate_messages.cpp
@@ -1,9 +1,10 @@
 // RUN: %clang_cc1 -verify=expected,le45 -fopenmp %s -Wuninitialized
 // RUN: %clang_cc1 -verify=expected,le45 -fopenmp-version=40 -fopenmp %s -Wuninitialized
 // RUN: %clang_cc1 -verify=expected,le45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
-// RUN: %clang_cc1 -verify=expected -fopenmp-version=50 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify=expected,le45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,le45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -104,6 +105,8 @@ int foomain(int argc, char **argv) {
 #pragma omp target teams distribute parallel for lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k) ++k;
 
+#pragma omp target teams distribute parallel for lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
 #pragma omp target teams distribute parallel for lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 
diff --git a/clang/test/OpenMP/target_teams_distribute_parallel_for_simd_lastprivate_messages.cpp b/clang/test/OpenMP/target_teams_distribute_parallel_for_simd_lastprivate_messages.cpp
index b7113a0ee0a3..0553874cb997 100644
--- a/clang/test/OpenMP/target_teams_distribute_parallel_for_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/target_teams_distribute_parallel_for_simd_lastprivate_messages.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify=expected -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
 // RUN: %clang_cc1 -verify=expected,le45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -104,6 +105,9 @@ int foomain(int argc, char **argv) {
 #pragma omp target teams distribute parallel for simd lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k) ++k;
 
+#pragma omp target teams distribute parallel for simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
 #pragma omp target teams distribute parallel for simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 
diff --git a/clang/test/OpenMP/target_teams_distribute_simd_lastprivate_messages.cpp b/clang/test/OpenMP/target_teams_distribute_simd_lastprivate_messages.cpp
index 14e1987b3a6f..09da5e6c75e4 100644
--- a/clang/test/OpenMP/target_teams_distribute_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/target_teams_distribute_simd_lastprivate_messages.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify=expected -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
 // RUN: %clang_cc1 -verify=expected,le45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -104,6 +105,9 @@ int foomain(int argc, char **argv) {
 #pragma omp target teams distribute simd lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k) ++k;
 
+#pragma omp target teams distribute simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
 #pragma omp target teams distribute simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 
diff --git a/clang/test/OpenMP/taskloop_lastprivate_messages.cpp b/clang/test/OpenMP/taskloop_lastprivate_messages.cpp
index 3d3aceea84de..6fae38a5373c 100644
--- a/clang/test/OpenMP/taskloop_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/taskloop_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -109,6 +111,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp taskloop lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp taskloop lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
diff --git a/clang/test/OpenMP/taskloop_simd_ast_print.cpp b/clang/test/OpenMP/taskloop_simd_ast_print.cpp
index 9120d46553a9..dcabe2f804e7 100644
--- a/clang/test/OpenMP/taskloop_simd_ast_print.cpp
+++ b/clang/test/OpenMP/taskloop_simd_ast_print.cpp
@@ -63,7 +63,7 @@ T tmain(T argc) {
 
 // CHECK-LABEL: int main(int argc, char **argv) {
 int main(int argc, char **argv) {
-  int b = argc, c, d, e, f, g;
+  int b = argc, c, d, e, f, g, h;
   static int a;
 // CHECK: static int a;
 #pragma omp taskgroup task_reduction(+: d)
diff --git a/clang/test/OpenMP/taskloop_simd_lastprivate_messages.cpp b/clang/test/OpenMP/taskloop_simd_lastprivate_messages.cpp
index 70c508fdd0ba..0faaecf5dacb 100644
--- a/clang/test/OpenMP/taskloop_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/taskloop_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
 
 typedef void **omp_allocator_handle_t;
 extern const omp_allocator_handle_t omp_default_mem_alloc;
@@ -109,6 +111,10 @@ int foomain(int argc, char **argv) {
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp parallel
+#pragma omp taskloop simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k)
+    ++k;
+#pragma omp parallel
 #pragma omp taskloop simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k)
     ++k;
@@ -268,8 +274,8 @@ int main(int argc, char **argv) {
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp parallel
-#pragma omp taskloop simd lastprivate(i) // expected-note {{defined as lastprivate}}
-  for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp taskloop simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp taskloop simd lastprivate(i) // omp45-note {{defined as lastprivate}}
+  for (i = 0; i < argc; ++i) // omp45-error {{loop iteration variable in the associated loop of 'omp taskloop simd' directive may not be lastprivate, predetermined as linear}}
     foo();
 #pragma omp parallel private(xa)
 #pragma omp taskloop simd lastprivate(xa)
diff --git a/clang/test/OpenMP/teams_distribute_lastprivate_messages.cpp b/clang/test/OpenMP/teams_distribute_lastprivate_messages.cpp
index cad7614b4782..a0997da09ea6 100644
--- a/clang/test/OpenMP/teams_distribute_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/teams_distribute_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -99,6 +101,10 @@ int foomain(int argc, char **argv) {
 #pragma omp teams distribute lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k) ++k;
 
+#pragma omp target
+#pragma omp teams distribute lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
 #pragma omp target
 #pragma omp teams distribute lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
diff --git a/clang/test/OpenMP/teams_distribute_parallel_for_lastprivate_messages.cpp b/clang/test/OpenMP/teams_distribute_parallel_for_lastprivate_messages.cpp
index 985b43ecb15a..1fd8fff82591 100644
--- a/clang/test/OpenMP/teams_distribute_parallel_for_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/teams_distribute_parallel_for_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -99,6 +101,10 @@ int foomain(int argc, char **argv) {
 #pragma omp teams distribute parallel for lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k) ++k;
 
+#pragma omp target
+#pragma omp teams distribute parallel for lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
 #pragma omp target
 #pragma omp teams distribute parallel for lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
diff --git a/clang/test/OpenMP/teams_distribute_parallel_for_simd_lastprivate_messages.cpp b/clang/test/OpenMP/teams_distribute_parallel_for_simd_lastprivate_messages.cpp
index 875dc1291f7a..688211e316f4 100644
--- a/clang/test/OpenMP/teams_distribute_parallel_for_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/teams_distribute_parallel_for_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -99,6 +101,10 @@ int foomain(int argc, char **argv) {
 #pragma omp teams distribute parallel for simd lastprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
   for (int k = 0; k < argc; ++k) ++k;
 
+#pragma omp target
+#pragma omp teams distribute parallel for simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
 #pragma omp target
 #pragma omp teams distribute parallel for simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
diff --git a/clang/test/OpenMP/teams_distribute_simd_lastprivate_messages.cpp b/clang/test/OpenMP/teams_distribute_simd_lastprivate_messages.cpp
index 9793390b3fa9..77052bf5ecd1 100644
--- a/clang/test/OpenMP/teams_distribute_simd_lastprivate_messages.cpp
+++ b/clang/test/OpenMP/teams_distribute_simd_lastprivate_messages.cpp
@@ -1,6 +1,8 @@
-// RUN: %clang_cc1 -verify -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wno-openmp-mapping -Wuninitialized
 
-// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
+// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
 
 extern int omp_default_mem_alloc;
 void foo() {
@@ -103,6 +105,10 @@ int foomain(int argc, char **argv) {
 #pragma omp teams distribute simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 
+#pragma omp target
+#pragma omp teams distribute simd lastprivate(conditional: argc) lastprivate(conditional: // expected-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
 #pragma omp target
 #pragma omp teams distribute simd lastprivate(k, a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
   for (int k = 0; k < argc; ++k) ++k;