diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst
index 90d2365ea738..a5d81488102b 100644
--- a/clang/docs/UsersManual.rst
+++ b/clang/docs/UsersManual.rst
@@ -481,7 +481,7 @@ TODO: Generate this from tblgen. Define one anchor per warning group.
    Warn about an unusable copy constructor when binding a reference to a
    temporary.
 
-   This option, which defaults to on, enables warnings about binding a
+   This option enables warnings about binding a
    reference to a temporary when the temporary doesn't have a usable
    copy constructor. For example:
 
diff --git a/clang/include/clang/Basic/DiagnosticGroups.td b/clang/include/clang/Basic/DiagnosticGroups.td
index 1ebe037ca38e..ea733876e8da 100644
--- a/clang/include/clang/Basic/DiagnosticGroups.td
+++ b/clang/include/clang/Basic/DiagnosticGroups.td
@@ -133,14 +133,14 @@ def CXX98CompatUnnamedTypeTemplateArgs :
   DiagGroup<"c++98-compat-unnamed-type-template-args">;
 
 def CXX98Compat : DiagGroup<"c++98-compat",
-                            [CXX98CompatBindToTemporaryCopy,
-                             CXX98CompatLocalTypeTemplateArgs,
+                            [CXX98CompatLocalTypeTemplateArgs,
                              CXX98CompatUnnamedTypeTemplateArgs,
                              CXXPre14Compat,
                              CXXPre1zCompat]>;
 // Warnings for C++11 features which are Extensions in C++98 mode.
 def CXX98CompatPedantic : DiagGroup<"c++98-compat-pedantic",
                                     [CXX98Compat,
+                                     CXX98CompatBindToTemporaryCopy,
                                      CXXPre14CompatPedantic,
                                      CXXPre1zCompatPedantic]>;
 
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index 7852dc78bdd4..d955e4eaffcb 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -1118,7 +1118,7 @@ def ext_ms_using_declaration_inaccessible : ExtWarn<
 def err_access_ctor : Error<
   "calling a %select{private|protected}0 constructor of class %2">, 
   AccessControl;
-def ext_rvalue_to_reference_access_ctor : ExtWarn<
+def ext_rvalue_to_reference_access_ctor : Extension<
   "C++98 requires an accessible copy constructor for class %2 when binding "
   "a reference to a temporary; was %select{private|protected}0">,
   AccessControl, InGroup<BindToTemporaryCopy>;
@@ -1545,7 +1545,7 @@ def err_temp_copy_no_viable : Error<
   "returning object|throwing object|copying member subobject|copying array "
   "element|allocating object|copying temporary|initializing base subobject|"
   "initializing vector element|capturing value}0 of type %1">;
-def ext_rvalue_to_reference_temp_copy_no_viable : ExtWarn<
+def ext_rvalue_to_reference_temp_copy_no_viable : Extension<
   "no viable constructor %select{copying variable|copying parameter|"
   "returning object|throwing object|copying member subobject|copying array "
   "element|allocating object|copying temporary|initializing base subobject|"
diff --git a/clang/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp b/clang/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
index 4ba75efebbb3..f86b24e99259 100644
--- a/clang/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
+++ b/clang/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -fdiagnostics-show-option -verify %s
+// RUN: %clang_cc1 -fsyntax-only -fdiagnostics-show-option -Wbind-to-temporary-copy -verify %s
 
 // C++03 requires that we check for a copy constructor when binding a
 // reference to a temporary, since we are allowed to make a copy, Even
diff --git a/clang/test/SemaCXX/conversion-function.cpp b/clang/test/SemaCXX/conversion-function.cpp
index 40ac33b8eb0d..ede23a2767e6 100644
--- a/clang/test/SemaCXX/conversion-function.cpp
+++ b/clang/test/SemaCXX/conversion-function.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s 
+// RUN: %clang_cc1 -fsyntax-only -Wbind-to-temporary-copy -verify %s 
 class X { 
 public:
   operator bool();
diff --git a/clang/test/SemaCXX/cxx98-compat-flags.cpp b/clang/test/SemaCXX/cxx98-compat-flags.cpp
index 6dc24be6bbfa..f90ad345e975 100644
--- a/clang/test/SemaCXX/cxx98-compat-flags.cpp
+++ b/clang/test/SemaCXX/cxx98-compat-flags.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -verify %s
-// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -Wno-bind-to-temporary-copy -Wno-unnamed-type-template-args -Wno-local-type-template-args -Werror %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat-pedantic -verify %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat-pedantic -Wno-bind-to-temporary-copy -Wno-unnamed-type-template-args -Wno-local-type-template-args -Werror %s
 
 template<typename T> int TemplateFn(T) { return 0; }
 void LocalTemplateArg() {
diff --git a/clang/test/SemaCXX/cxx98-compat-pedantic.cpp b/clang/test/SemaCXX/cxx98-compat-pedantic.cpp
index 9eb0da33f3f6..38bc341e83ce 100644
--- a/clang/test/SemaCXX/cxx98-compat-pedantic.cpp
+++ b/clang/test/SemaCXX/cxx98-compat-pedantic.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat -Werror %s -DCXX1Y2
 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat-pedantic -verify %s
 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -Werror %s
-// RUN: %clang_cc1 -fsyntax-only -std=c++98 -Werror %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++98 -Werror %s -DCXX98
 
 // RUN: %clang_cc1 -fsyntax-only -std=c++1y -Wc++98-compat-pedantic -verify %s -Wno-c++98-c++11-compat-pedantic -DCXX1Y2
 
@@ -51,3 +51,30 @@ int k = 0b1001;
 #ifdef CXX1Y
 // expected-warning@-2 {{binary integer literals are incompatible with C++ standards before C++14}}
 #endif
+
+namespace CopyCtorIssues {
+  struct Private {
+    Private();
+  private:
+    Private(const Private&); // expected-note {{declared private here}}
+  };
+  struct NoViable {
+    NoViable();
+    NoViable(NoViable&); // expected-note {{not viable}}
+  };
+  struct Ambiguous {
+    Ambiguous();
+    Ambiguous(const Ambiguous &, int = 0); // expected-note {{candidate}}
+    Ambiguous(const Ambiguous &, double = 0); // expected-note {{candidate}}
+  };
+  struct Deleted {
+    Private p; // expected-note {{implicitly deleted}}
+  };
+
+  const Private &a = Private(); // expected-warning {{copying variable of type 'CopyCtorIssues::Private' when binding a reference to a temporary would invoke an inaccessible constructor in C++98}}
+  const NoViable &b = NoViable(); // expected-warning {{copying variable of type 'CopyCtorIssues::NoViable' when binding a reference to a temporary would find no viable constructor in C++98}}
+#if !CXX98
+  const Ambiguous &c = Ambiguous(); // expected-warning {{copying variable of type 'CopyCtorIssues::Ambiguous' when binding a reference to a temporary would find ambiguous constructors in C++98}}
+#endif
+  const Deleted &d = Deleted(); // expected-warning {{copying variable of type 'CopyCtorIssues::Deleted' when binding a reference to a temporary would invoke a deleted constructor in C++98}}
+}
diff --git a/clang/test/SemaCXX/cxx98-compat.cpp b/clang/test/SemaCXX/cxx98-compat.cpp
index f4c15c4f7466..029e90989628 100644
--- a/clang/test/SemaCXX/cxx98-compat.cpp
+++ b/clang/test/SemaCXX/cxx98-compat.cpp
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -verify %s
-// RUN: %clang_cc1 -fsyntax-only -std=c++1y -Wc++98-compat -verify %s -DCXX14COMPAT
+// RUN: %clang_cc1 -fsyntax-only -std=c++14 -Wc++98-compat -verify %s -DCXX14COMPAT
 
 namespace std {
   struct type_info;
@@ -225,31 +225,6 @@ template<typename T> typename T::ImPrivate SFINAEAccessControl(T t) { // expecte
 int SFINAEAccessControl(...) { return 0; }
 int CheckSFINAEAccessControl = SFINAEAccessControl(PrivateMember()); // expected-note {{while substituting deduced template arguments into function template 'SFINAEAccessControl' [with T = PrivateMember]}}
 
-namespace CopyCtorIssues {
-  struct Private {
-    Private();
-  private:
-    Private(const Private&); // expected-note {{declared private here}}
-  };
-  struct NoViable {
-    NoViable();
-    NoViable(NoViable&); // expected-note {{not viable}}
-  };
-  struct Ambiguous {
-    Ambiguous();
-    Ambiguous(const Ambiguous &, int = 0); // expected-note {{candidate}}
-    Ambiguous(const Ambiguous &, double = 0); // expected-note {{candidate}}
-  };
-  struct Deleted {
-    Private p; // expected-note {{implicitly deleted}}
-  };
-
-  const Private &a = Private(); // expected-warning {{copying variable of type 'CopyCtorIssues::Private' when binding a reference to a temporary would invoke an inaccessible constructor in C++98}}
-  const NoViable &b = NoViable(); // expected-warning {{copying variable of type 'CopyCtorIssues::NoViable' when binding a reference to a temporary would find no viable constructor in C++98}}
-  const Ambiguous &c = Ambiguous(); // expected-warning {{copying variable of type 'CopyCtorIssues::Ambiguous' when binding a reference to a temporary would find ambiguous constructors in C++98}}
-  const Deleted &d = Deleted(); // expected-warning {{copying variable of type 'CopyCtorIssues::Deleted' when binding a reference to a temporary would invoke a deleted constructor in C++98}}
-}
-
 namespace UnionOrAnonStructMembers {
   struct NonTrivCtor {
     NonTrivCtor(); // expected-note 2{{user-provided default constructor}}
diff --git a/clang/test/SemaCXX/undefined-internal.cpp b/clang/test/SemaCXX/undefined-internal.cpp
index f32036a025f4..d829380a7dbc 100644
--- a/clang/test/SemaCXX/undefined-internal.cpp
+++ b/clang/test/SemaCXX/undefined-internal.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -verify -Wbind-to-temporary-copy %s
 
 // Make sure we don't produce invalid IR.
 // RUN: %clang_cc1 -emit-llvm-only %s