Index: cfe/trunk/test/CodeCompletion/crash-skipped-bodies-template-inst.cpp
===================================================================
--- cfe/trunk/test/CodeCompletion/crash-skipped-bodies-template-inst.cpp
+++ cfe/trunk/test/CodeCompletion/crash-skipped-bodies-template-inst.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:24:5 %s -o - 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++14 -code-completion-at=%s:24:5 %s -o - 2>&1 | FileCheck %s
 template <class T>
 auto make_func() {
   struct impl {
Index: cfe/trunk/test/CodeCompletion/skip-auto-funcs.cpp
===================================================================
--- cfe/trunk/test/CodeCompletion/skip-auto-funcs.cpp
+++ cfe/trunk/test/CodeCompletion/skip-auto-funcs.cpp
@@ -1,7 +1,7 @@
 // We run clang in completion mode to force skipping of function bodies and
 // check if the function bodies were skipped by observing the warnings that
 // clang produces.
-// RUN: not %clang_cc1 -fsyntax-only -code-completion-at=%s:60:1 %s -o - 2>&1 | FileCheck %s
+// RUN: not %clang_cc1 -std=c++14 -fsyntax-only -code-completion-at=%s:60:1 %s -o - 2>&1 | FileCheck %s
 template <class T>
 auto not_skipped() {
   int x;
Index: cfe/trunk/test/CodeGenCXX/auto-var-init.cpp
===================================================================
--- cfe/trunk/test/CodeGenCXX/auto-var-init.cpp
+++ cfe/trunk/test/CodeGenCXX/auto-var-init.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fblocks %s -emit-llvm -o - | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fblocks -ftrivial-auto-var-init=pattern %s -emit-llvm -o - | FileCheck %s -check-prefix=PATTERN
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fblocks -ftrivial-auto-var-init=zero %s -emit-llvm -o - | FileCheck %s -check-prefix=ZERO
+// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown -fblocks %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown -fblocks -ftrivial-auto-var-init=pattern %s -emit-llvm -o - | FileCheck %s -check-prefix=PATTERN
+// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown -fblocks -ftrivial-auto-var-init=zero %s -emit-llvm -o - | FileCheck %s -check-prefix=ZERO
 
 template<typename T> void used(T &) noexcept;
 
Index: cfe/trunk/test/CodeGenCXX/dllexport-no-dllexport-inlines.cpp
===================================================================
--- cfe/trunk/test/CodeGenCXX/dllexport-no-dllexport-inlines.cpp
+++ cfe/trunk/test/CodeGenCXX/dllexport-no-dllexport-inlines.cpp
@@ -1,10 +1,10 @@
 // RUN: %clang_cc1 %s -fms-extensions -triple x86_64-windows-msvc       \
-// RUN:     -disable-llvm-passes                                        \
+// RUN:     -disable-llvm-passes -std=c++14                             \
 // RUN:     -fno-dllexport-inlines -emit-llvm -O1 -o - |                \
 // RUN:     FileCheck --check-prefix=CHECK --check-prefix=NOEXPORTINLINE %s
 
 // RUN: %clang_cc1 %s -fms-extensions -triple x86_64-windows-msvc       \
-// RUN:     -disable-llvm-passes                                        \
+// RUN:     -disable-llvm-passes -std=c++14                             \
 // RUN:     -emit-llvm -O1 -o - |                                       \
 // RUN:     FileCheck --check-prefix=CHECK  --check-prefix=EXPORTINLINE %s
 
Index: cfe/trunk/test/CodeGenCXX/new-overflow.cpp
===================================================================
--- cfe/trunk/test/CodeGenCXX/new-overflow.cpp
+++ cfe/trunk/test/CodeGenCXX/new-overflow.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -std=c++14 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s
 
 // rdar://problem/9246208
 
Index: cfe/trunk/test/CodeGenCXX/new.cpp
===================================================================
--- cfe/trunk/test/CodeGenCXX/new.cpp
+++ cfe/trunk/test/CodeGenCXX/new.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -emit-llvm -o - | FileCheck %s
 
 typedef __typeof__(sizeof(0)) size_t;
 
Index: cfe/trunk/test/Lexer/cxx-features.cpp
===================================================================
--- cfe/trunk/test/Lexer/cxx-features.cpp
+++ cfe/trunk/test/Lexer/cxx-features.cpp
@@ -6,9 +6,9 @@
 //
 // RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -frelaxed-template-template-args -DRELAXED_TEMPLATE_TEMPLATE_ARGS=1 -verify %s
 // RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -fconcepts-ts -DCONCEPTS_TS=1 -verify %s
-// RUN: %clang_cc1 -fno-rtti -fno-threadsafe-statics -verify %s -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS -fsized-deallocation
-// RUN: %clang_cc1 -fcoroutines-ts -DNO_EXCEPTIONS -DCOROUTINES -verify -fsized-deallocation %s
-// RUN: %clang_cc1 -fchar8_t -DNO_EXCEPTIONS -DCHAR8_T -verify -fsized-deallocation %s
+// RUN: %clang_cc1 -std=c++14 -fno-rtti -fno-threadsafe-statics -verify %s -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS -fsized-deallocation
+// RUN: %clang_cc1 -std=c++14 -fcoroutines-ts -DNO_EXCEPTIONS -DCOROUTINES -verify -fsized-deallocation %s
+// RUN: %clang_cc1 -std=c++14 -fchar8_t -DNO_EXCEPTIONS -DCHAR8_T -verify -fsized-deallocation %s
 // RUN: %clang_cc1 -std=c++2a -fno-char8_t -DNO_EXCEPTIONS -DNO_CHAR8_T -verify -fsized-deallocation %s
 
 // expected-no-diagnostics
Index: cfe/trunk/test/Lexer/half-literal.cpp
===================================================================
--- cfe/trunk/test/Lexer/half-literal.cpp
+++ cfe/trunk/test/Lexer/half-literal.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -triple aarch64-linux-gnu %s
+// RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify -pedantic -triple aarch64-linux-gnu %s
 float a = 1.0h; // expected-error{{no matching literal operator for call to 'operator""h' with argument of type 'long double' or 'const char *', and no matching literal operator template}}
 float b = 1.0H; // expected-error{{invalid suffix 'H' on floating constant}}
 
Index: cfe/trunk/test/Modules/friend-definition-2.cpp
===================================================================
--- cfe/trunk/test/Modules/friend-definition-2.cpp
+++ cfe/trunk/test/Modules/friend-definition-2.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -fmodules %s -verify
-// RUN: %clang_cc1 -fmodules %s -verify -triple i686-windows
+// RUN: %clang_cc1 -std=c++14 -fmodules %s -verify
+// RUN: %clang_cc1 -std=c++14 -fmodules %s -verify -triple i686-windows
 // expected-no-diagnostics
 #pragma clang module build A
 module A {}
Index: cfe/trunk/test/Modules/merge-lambdas.cpp
===================================================================
--- cfe/trunk/test/Modules/merge-lambdas.cpp
+++ cfe/trunk/test/Modules/merge-lambdas.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fmodules -verify %s -emit-llvm-only
+// RUN: %clang_cc1 -std=c++14 -fmodules -verify %s -emit-llvm-only
 // expected-no-diagnostics
 
 #pragma clang module build A
Index: cfe/trunk/test/SemaCXX/int-ptr-cast-SFINAE.cpp
===================================================================
--- cfe/trunk/test/SemaCXX/int-ptr-cast-SFINAE.cpp
+++ cfe/trunk/test/SemaCXX/int-ptr-cast-SFINAE.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++14
 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++17
 
 void foo(int* a, int *b) {
Index: cfe/trunk/test/SemaTemplate/argument-dependent-lookup.cpp
===================================================================
--- cfe/trunk/test/SemaTemplate/argument-dependent-lookup.cpp
+++ cfe/trunk/test/SemaTemplate/argument-dependent-lookup.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -verify %s
-// RUN: %clang_cc1 -verify %s -DHAVE_UNQUALIFIED_LOOKUP_RESULTS
+// RUN: %clang_cc1 -std=c++14 -verify %s
+// RUN: %clang_cc1 -std=c++14 -verify %s -DHAVE_UNQUALIFIED_LOOKUP_RESULTS
 // expected-no-diagnostics
 
 namespace address_of {
Index: cfe/trunk/test/SemaTemplate/class-template-decl.cpp
===================================================================
--- cfe/trunk/test/SemaTemplate/class-template-decl.cpp
+++ cfe/trunk/test/SemaTemplate/class-template-decl.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify %s
 
 template<typename T> class A;
 
Index: cfe/trunk/test/SemaTemplate/typo-dependent-name.cpp
===================================================================
--- cfe/trunk/test/SemaTemplate/typo-dependent-name.cpp
+++ cfe/trunk/test/SemaTemplate/typo-dependent-name.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify %s
 
 using nullptr_t = decltype(nullptr);