Move the "->" to "." fixit from r186128 into a separate note since

recovery is not attempted with the fixit. Also move the associated test
case from FixIt/fixit.cpp to SemaCXX/member-expr.cpp since the fixit is
no longer automatically applied.

llvm-svn: 186342

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -4241,6 +4241,8 @@ def err_typecheck_member_reference_arrow : Error<
   "member reference type %0 is not a pointer">;
 def err_typecheck_member_reference_suggestion : Error<
   "member reference type %0 is %select{a|not a}1 pointer; maybe you meant to use '%select{->|.}1'?">;
+def note_typecheck_member_reference_suggestion : Note<
+  "did you meant to use '.' instead?">;
 def err_typecheck_member_reference_type : Error<
   "cannot refer to type member %0 in %1 with '%select{.|->}2'">;
 def err_typecheck_member_reference_unknown : Error<

clang/lib/Sema/SemaOverload.cpp

@@ -11355,13 +11355,11 @@ Sema::BuildOverloadedArrowExpr(Scope *S, Expr *Base, SourceLocation OpLoc) {
   case OR_No_Viable_Function:
     if (CandidateSet.empty()) {
       QualType BaseType = Base->getType();
+      Diag(OpLoc, diag::err_typecheck_member_reference_arrow)
+        << BaseType << Base->getSourceRange();
       if (BaseType->isRecordType() && !BaseType->isPointerType()) {
-        Diag(OpLoc, diag::err_typecheck_member_reference_suggestion)
-          << BaseType << 1 << Base->getSourceRange()
+        Diag(OpLoc, diag::note_typecheck_member_reference_suggestion)
           << FixItHint::CreateReplacement(OpLoc, ".");
-      } else {
-        Diag(OpLoc, diag::err_typecheck_member_reference_arrow)
-          << BaseType << Base->getSourceRange();
       }
     } else
       Diag(OpLoc, diag::err_ovl_no_viable_oper)

clang/test/FixIt/fixit.cpp

@@ -313,18 +313,6 @@ namespace PR5066 {
   X<int *p> x; // expected-error {{type-id cannot have a name}}
 }
 
-namespace PR15045 {
-  class Cl0 {
-  public:
-    int a;
-  };
-
-  int f() {
-    Cl0 c;
-    return c->a;  // expected-error {{member reference type 'PR15045::Cl0' is not a pointer; maybe you meant to use '.'?}}
-  }
-}
-
 namespace PR5898 {
   class A {
   public:

clang/test/SemaCXX/member-expr.cpp

@@ -87,7 +87,8 @@ namespace test5 {
   }
 
   void test2(A &x) {
-    x->A::foo<int>(); // expected-error {{'test5::A' is not a pointer}}
+    x->A::foo<int>(); // expected-error {{'test5::A' is not a pointer}} \
+                      // expected-note {{did you meant to use '.' instead?}}
   }
 }
 
@@ -172,3 +173,16 @@ void f(int i) {
   j = 0;
 }
 }
+
+namespace PR15045 {
+  class Cl0 {
+  public:
+    int a;
+  };
+
+  int f() {
+    Cl0 c;
+    return c->a;  // expected-error {{member reference type 'PR15045::Cl0' is not a pointer}} \
+                  // expected-note {{did you meant to use '.' instead?}}
+  }
+}