From b3ce54c6456b209aa9c60ee1bef36751a0ee011c Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron@aaronballman.com>
Date: Tue, 26 May 2015 19:44:52 +0000
Subject: [PATCH] __declspec is not a core Clang language extension. Instead,
 require -fms-extensions or -fborland to enable the language extension.

Note: __declspec is also temporarily enabled when compiling for a CUDA target because there are implementation details relying on __declspec(property) support currently. When those details change, __declspec should be disabled for CUDA targets.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@238238 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/ReleaseNotes.rst                          |  5 ++++-
 include/clang/Basic/TokenKinds.def             |  2 +-
 include/clang/Parse/Parser.h                   |  7 +++----
 lib/Basic/IdentifierTable.cpp                  |  6 ++++++
 lib/Parse/ParseDecl.cpp                        |  3 +++
 test/CodeGen/dllexport.c                       |  8 ++++----
 test/CodeGen/dllimport.c                       | 12 ++++++------
 test/CodeGen/ms-volatile.c                     |  2 +-
 .../windows-on-arm-dllimport-dllexport.c       |  2 +-
 test/CodeGen/windows-on-arm-stack-probe-size.c |  6 +++---
 test/CodeGenCXX/PR19955.cpp                    |  4 ++--
 test/CodeGenCXX/dllexport.cpp                  |  8 ++++----
 test/CodeGenCXX/dllimport-rtti.cpp             |  4 ++--
 test/CodeGenCXX/dllimport.cpp                  | 18 +++++++++---------
 test/CodeGenCXX/microsoft-abi-vftables.cpp     |  4 ++--
 test/CodeGenCXX/pr20897.cpp                    |  2 +-
 test/Layout/ms-x86-alias-avoidance-padding.cpp |  4 ++--
 test/Layout/ms-x86-aligned-tail-padding.cpp    |  4 ++--
 test/Layout/ms-x86-basic-layout.cpp            |  4 ++--
 test/Layout/ms-x86-empty-layout.c              |  4 ++--
 test/Layout/ms-x86-empty-nonvirtual-bases.cpp  |  4 ++--
 test/Layout/ms-x86-empty-virtual-base.cpp      |  4 ++--
 .../ms-x86-lazy-empty-nonvirtual-base.cpp      |  4 ++--
 test/Layout/ms-x86-pack-and-align.cpp          |  4 ++--
 test/Layout/ms-x86-size-alignment-fail.cpp     |  4 ++--
 test/Layout/ms-x86-vfvb-alignment.cpp          |  4 ++--
 test/Layout/ms-x86-vfvb-sharing.cpp            |  4 ++--
 test/Parser/cxx-ambig-init-templ.cpp           |  1 -
 test/Rewriter/missing-dllimport.c              |  2 +-
 test/Sema/dllexport.c                          |  8 ++++----
 test/Sema/dllimport.c                          |  8 ++++----
 test/Sema/ms-inline-asm.c                      |  2 +-
 test/Sema/pragma-ms_struct.c                   |  2 +-
 test/SemaCXX/dllexport-pr22591.cpp             |  8 ++++----
 test/SemaCXX/dllexport.cpp                     |  8 ++++----
 test/SemaCXX/dllimport.cpp                     |  8 ++++----
 test/SemaCXX/generalized-deprecated.cpp        |  2 +-
 37 files changed, 98 insertions(+), 88 deletions(-)

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 3c9f8a99488..6774da588cf 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -47,7 +47,10 @@ sections with improvements to Clang's support for those languages.
 Major New Features
 ------------------
 
-- Feature ...
+- Use of the ``__declspec`` language extension for declaration attributes now
+requires passing the -fms-extensions or -fborland compiler flag. This language
+extension is also enabled when compiling CUDA code, but its use should be
+viewed as an implementation detail that is subject to change.
 
 
 Improvements to Clang's diagnostics
diff --git a/include/clang/Basic/TokenKinds.def b/include/clang/Basic/TokenKinds.def
index 45809b88ef7..28aafca1162 100644
--- a/include/clang/Basic/TokenKinds.def
+++ b/include/clang/Basic/TokenKinds.def
@@ -458,7 +458,7 @@ KEYWORD(__private_extern__          , KEYALL)
 KEYWORD(__module_private__          , KEYALL)
 
 // Microsoft Extension.
-KEYWORD(__declspec                  , KEYALL)
+KEYWORD(__declspec                  , KEYMS|KEYBORLAND)
 KEYWORD(__cdecl                     , KEYALL)
 KEYWORD(__stdcall                   , KEYALL)
 KEYWORD(__fastcall                  , KEYALL)
diff --git a/include/clang/Parse/Parser.h b/include/clang/Parse/Parser.h
index dc28b24b6ae..caba77b74c6 100644
--- a/include/clang/Parse/Parser.h
+++ b/include/clang/Parse/Parser.h
@@ -2089,10 +2089,9 @@ private:
                                 SourceLocation *endLoc = nullptr);
   void MaybeParseMicrosoftDeclSpecs(ParsedAttributes &Attrs,
                                     SourceLocation *End = nullptr) {
-    // TODO: the __declspec keyword is parsed as a keyword for all languages,
-    // but this is a Microsoft extension. Investigate whether this should be
-    // protected by MicrosoftExt or not.
-    if (Tok.is(tok::kw___declspec))
+    const auto &LO = getLangOpts();
+    if ((LO.MicrosoftExt || LO.Borland || LO.CUDA) &&
+        Tok.is(tok::kw___declspec))
       ParseMicrosoftDeclSpecs(Attrs, End);
   }
   void ParseMicrosoftDeclSpecs(ParsedAttributes &Attrs,
diff --git a/lib/Basic/IdentifierTable.cpp b/lib/Basic/IdentifierTable.cpp
index 629b236eee4..e830be9603e 100644
--- a/lib/Basic/IdentifierTable.cpp
+++ b/lib/Basic/IdentifierTable.cpp
@@ -215,6 +215,12 @@ void IdentifierTable::AddKeywords(const LangOptions &LangOpts) {
   if (LangOpts.ParseUnknownAnytype)
     AddKeyword("__unknown_anytype", tok::kw___unknown_anytype, KEYALL,
                LangOpts, *this);
+
+  // FIXME: __declspec isn't really a CUDA extension, however it is required for
+  // supporting cuda_builtin_vars.h, which uses __declspec(property). Once that
+  // has been rewritten in terms of something more generic, remove this code.
+  if (LangOpts.CUDA)
+    AddKeyword("__declspec", tok::kw___declspec, KEYALL, LangOpts, *this);
 }
 
 /// \brief Checks if the specified token kind represents a keyword in the
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index d0df7d7ed29..bd114d7e34a 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -531,6 +531,9 @@ bool Parser::ParseMicrosoftDeclSpecArgs(IdentifierInfo *AttrName,
 ///             extended-decl-modifier extended-decl-modifier-seq
 void Parser::ParseMicrosoftDeclSpecs(ParsedAttributes &Attrs,
                                      SourceLocation *End) {
+  assert((getLangOpts().MicrosoftExt || getLangOpts().Borland ||
+          getLangOpts().CUDA) &&
+         "Incorrect language options for parsing __declspec");
   assert(Tok.is(tok::kw___declspec) && "Not a declspec!");
 
   while (Tok.is(tok::kw___declspec)) {
diff --git a/test/CodeGen/dllexport.c b/test/CodeGen/dllexport.c
index 43899949437..17c2ce9e275 100644
--- a/test/CodeGen/dllexport.c
+++ b/test/CodeGen/dllexport.c
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-windows-msvc   -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
-// RUN: %clang_cc1 -triple i686-windows-gnu    -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-windows-gnu  -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-windows-msvc -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple i686-windows-gnu    -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-windows-gnu  -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck %s
 
 
 
diff --git a/test/CodeGen/dllimport.c b/test/CodeGen/dllimport.c
index 89dbb9f3461..0dfecea4364 100644
--- a/test/CodeGen/dllimport.c
+++ b/test/CodeGen/dllimport.c
@@ -1,9 +1,9 @@
-// RUN: %clang_cc1 -triple i686-windows-msvc   -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS %s
-// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS %s
-// RUN: %clang_cc1 -triple i686-windows-gnu    -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=GNU %s
-// RUN: %clang_cc1 -triple x86_64-windows-gnu  -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=GNU %s
-// RUN: %clang_cc1 -triple i686-windows-msvc   -emit-llvm -std=c11 -O1 -o - %s | FileCheck --check-prefix=O1 --check-prefix=MO1 %s
-// RUN: %clang_cc1 -triple i686-windows-gnu    -emit-llvm -std=c11 -O1 -o - %s | FileCheck --check-prefix=O1 --check-prefix=GO1 %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS %s
+// RUN: %clang_cc1 -triple x86_64-windows-msvc -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS %s
+// RUN: %clang_cc1 -triple i686-windows-gnu    -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=GNU %s
+// RUN: %clang_cc1 -triple x86_64-windows-gnu  -fms-extensions -emit-llvm -std=c11 -O0 -o - %s | FileCheck --check-prefix=CHECK --check-prefix=GNU %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -fms-extensions -emit-llvm -std=c11 -O1 -o - %s | FileCheck --check-prefix=O1 --check-prefix=MO1 %s
+// RUN: %clang_cc1 -triple i686-windows-gnu    -fms-extensions -emit-llvm -std=c11 -O1 -o - %s | FileCheck --check-prefix=O1 --check-prefix=GO1 %s
 
 #define JOIN2(x, y) x##y
 #define JOIN(x, y) JOIN2(x, y)
diff --git a/test/CodeGen/ms-volatile.c b/test/CodeGen/ms-volatile.c
index 88e19886c2d..87393e794f8 100644
--- a/test/CodeGen/ms-volatile.c
+++ b/test/CodeGen/ms-volatile.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple i386-pc-win32 -emit-llvm -fms-volatile -o - < %s | FileCheck %s
+// RUN: %clang_cc1 -triple i386-pc-win32 -fms-extensions -emit-llvm -fms-volatile -o - < %s | FileCheck %s
 struct foo {
   volatile int x;
 };
diff --git a/test/CodeGen/windows-on-arm-dllimport-dllexport.c b/test/CodeGen/windows-on-arm-dllimport-dllexport.c
index 897d06a729d..4b2e29e430c 100644
--- a/test/CodeGen/windows-on-arm-dllimport-dllexport.c
+++ b/test/CodeGen/windows-on-arm-dllimport-dllexport.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -Werror -triple thumbv7-windows-itanium -mfloat-abi hard -emit-llvm %s -o - | FileCheck %s
+// RUN: %clang_cc1 -Werror -triple thumbv7-windows-itanium -mfloat-abi hard -fms-extensions -emit-llvm %s -o - | FileCheck %s
 
 __declspec(dllexport) int export_int;
 
diff --git a/test/CodeGen/windows-on-arm-stack-probe-size.c b/test/CodeGen/windows-on-arm-stack-probe-size.c
index d25e15d8f5a..c072566d712 100644
--- a/test/CodeGen/windows-on-arm-stack-probe-size.c
+++ b/test/CodeGen/windows-on-arm-stack-probe-size.c
@@ -1,10 +1,10 @@
-// RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=8096 -O2 -emit-llvm %s -o - \
+// RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=8096 -fms-extensions -O2 -emit-llvm %s -o - \
 // RUN:     | FileCheck %s -check-prefix CHECK-8096
 
-// RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=4096 -O2 -emit-llvm %s -o - \
+// RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=4096 -fms-extensions -O2 -emit-llvm %s -o - \
 // RUN:     | FileCheck %s -check-prefix CHECK-4096
 
-// RUN: %clang_cc1 -triple thumbv7-windows-itanium -O2 -emit-llvm %s -o - \
+// RUN: %clang_cc1 -triple thumbv7-windows-itanium -fms-extensions -O2 -emit-llvm %s -o - \
 // RUN:     | FileCheck %s -check-prefix CHECK
 
 __declspec(dllimport) void initialise(signed char buffer[4096]);
diff --git a/test/CodeGenCXX/PR19955.cpp b/test/CodeGenCXX/PR19955.cpp
index 9e101550b41..10010843775 100644
--- a/test/CodeGenCXX/PR19955.cpp
+++ b/test/CodeGenCXX/PR19955.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-windows-msvc -fno-rtti -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s --check-prefix X64
+// RUN: %clang_cc1 -triple i686-windows-msvc -fms-extensions -fno-rtti -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-windows-msvc -fms-extensions -fno-rtti -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s --check-prefix X64
 
 extern int __declspec(dllimport) var;
 extern void __declspec(dllimport) fun();
diff --git a/test/CodeGenCXX/dllexport.cpp b/test/CodeGenCXX/dllexport.cpp
index 3e398d21a03..bc1486f0d7d 100644
--- a/test/CodeGenCXX/dllexport.cpp
+++ b/test/CodeGenCXX/dllexport.cpp
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-windows-msvc   -emit-llvm -std=c++1y -fno-threadsafe-statics -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w | FileCheck --check-prefix=MSC --check-prefix=M32 %s
-// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -O0 -o - %s -w | FileCheck --check-prefix=MSC --check-prefix=M64 %s
-// RUN: %clang_cc1 -triple i686-windows-gnu    -emit-llvm -std=c++1y -fno-threadsafe-statics -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s
-// RUN: %clang_cc1 -triple x86_64-windows-gnu  -emit-llvm -std=c++1y -fno-threadsafe-statics -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-optzns -o - %s -w | FileCheck --check-prefix=MSC --check-prefix=M32 %s
+// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=MSC --check-prefix=M64 %s
+// RUN: %clang_cc1 -triple i686-windows-gnu    -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s
+// RUN: %clang_cc1 -triple x86_64-windows-gnu  -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s
 
 // Helper structs to make templates more expressive.
 struct ImplicitInst_Exported {};
diff --git a/test/CodeGenCXX/dllimport-rtti.cpp b/test/CodeGenCXX/dllimport-rtti.cpp
index b5a5d543d6e..8c0f86306cd 100644
--- a/test/CodeGenCXX/dllimport-rtti.cpp
+++ b/test/CodeGenCXX/dllimport-rtti.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -O1 -disable-llvm-optzns -o - %s | FileCheck %s --check-prefix=MSVC
-// RUN: %clang_cc1 -triple i686-windows-gnu  -emit-llvm -std=c++1y -O1 -disable-llvm-optzns -o - %s | FileCheck %s --check-prefix=GNU
+// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -fms-extensions -O1 -disable-llvm-optzns -o - %s | FileCheck %s --check-prefix=MSVC
+// RUN: %clang_cc1 -triple i686-windows-gnu  -emit-llvm -std=c++1y -fms-extensions -O1 -disable-llvm-optzns -o - %s | FileCheck %s --check-prefix=GNU
 
 struct __declspec(dllimport) S {
   virtual void f() {}
diff --git a/test/CodeGenCXX/dllimport.cpp b/test/CodeGenCXX/dllimport.cpp
index 86c83f5b0c8..639baea5a3d 100644
--- a/test/CodeGenCXX/dllimport.cpp
+++ b/test/CodeGenCXX/dllimport.cpp
@@ -1,14 +1,14 @@
-// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC --check-prefix=M32 %s
-// RUN: %clang_cc1 -triple x86_64-windows-msvc -fno-rtti -fno-threadsafe-statics -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC --check-prefix=M64 %s
-// RUN: %clang_cc1 -triple i686-windows-gnu    -fno-rtti -fno-threadsafe-statics -emit-llvm -std=c++1y -O0 -o - %s         -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s
-// RUN: %clang_cc1 -triple x86_64-windows-gnu  -fno-rtti -fno-threadsafe-statics -emit-llvm -std=c++1y -O0 -o - %s         -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s
-// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -fms-compatibility-version=18.00 -emit-llvm -std=c++1y -O1 -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M18 %s
-// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -fms-compatibility-version=19.00 -emit-llvm -std=c++1y -O1 -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M19 %s
-// RUN: %clang_cc1 -triple i686-windows-gnu    -fno-rtti -fno-threadsafe-statics -emit-llvm -std=c++1y -O1 -o - %s         -w | FileCheck --check-prefix=GO1 %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC --check-prefix=M32 %s
+// RUN: %clang_cc1 -triple x86_64-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC --check-prefix=M64 %s
+// RUN: %clang_cc1 -triple i686-windows-gnu    -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s         -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s
+// RUN: %clang_cc1 -triple x86_64-windows-gnu  -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s         -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=18.00 -emit-llvm -std=c++1y -O1 -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M18 %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=19.00 -emit-llvm -std=c++1y -O1 -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M19 %s
+// RUN: %clang_cc1 -triple i686-windows-gnu    -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O1 -o - %s         -w | FileCheck --check-prefix=GO1 %s
 
 // CHECK-NOT doesn't play nice with CHECK-DAG, so use separate run lines.
-// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC2 %s
-// RUN: %clang_cc1 -triple i686-windows-gnu    -fno-rtti -fno-threadsafe-statics -emit-llvm -std=c++1y -O0 -o - %s         -w | FileCheck --check-prefix=GNU2 %s
+// RUN: %clang_cc1 -triple i686-windows-msvc   -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC2 %s
+// RUN: %clang_cc1 -triple i686-windows-gnu    -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s         -w | FileCheck --check-prefix=GNU2 %s
 
 // Helper structs to make templates more expressive.
 struct ImplicitInst_Imported {};
diff --git a/test/CodeGenCXX/microsoft-abi-vftables.cpp b/test/CodeGenCXX/microsoft-abi-vftables.cpp
index d8f350a3741..1a48411f5af 100644
--- a/test/CodeGenCXX/microsoft-abi-vftables.cpp
+++ b/test/CodeGenCXX/microsoft-abi-vftables.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o - -O1 -disable-llvm-optzns | FileCheck %s -check-prefix=NO-RTTI
-// RUN: %clang_cc1 %s -triple=i386-pc-win32 -emit-llvm -o - -O1 -disable-llvm-optzns | FileCheck %s -check-prefix=RTTI
+// RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -fms-extensions -emit-llvm -o - -O1 -disable-llvm-optzns | FileCheck %s -check-prefix=NO-RTTI
+// RUN: %clang_cc1 %s -triple=i386-pc-win32 -fms-extensions -emit-llvm -o - -O1 -disable-llvm-optzns | FileCheck %s -check-prefix=RTTI
 
 // RTTI-DAG: $"\01??_7S@@6B@" = comdat largest
 // RTTI-DAG: $"\01??_7V@@6B@" = comdat largest
diff --git a/test/CodeGenCXX/pr20897.cpp b/test/CodeGenCXX/pr20897.cpp
index f8d6f4acd7c..9a7fdb999ba 100644
--- a/test/CodeGenCXX/pr20897.cpp
+++ b/test/CodeGenCXX/pr20897.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple i686-windows-msvc   -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple i686-windows-msvc -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s
 struct Base {};
 
 // __declspec(dllexport) causes us to export the implicit constructor.
diff --git a/test/Layout/ms-x86-alias-avoidance-padding.cpp b/test/Layout/ms-x86-alias-avoidance-padding.cpp
index e51bab38711..1d77bf9e906 100644
--- a/test/Layout/ms-x86-alias-avoidance-padding.cpp
+++ b/test/Layout/ms-x86-alias-avoidance-padding.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-aligned-tail-padding.cpp b/test/Layout/ms-x86-aligned-tail-padding.cpp
index f919766546e..6bb7ecdd701 100644
--- a/test/Layout/ms-x86-aligned-tail-padding.cpp
+++ b/test/Layout/ms-x86-aligned-tail-padding.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-basic-layout.cpp b/test/Layout/ms-x86-basic-layout.cpp
index aac7aed0601..c39e6ce140b 100644
--- a/test/Layout/ms-x86-basic-layout.cpp
+++ b/test/Layout/ms-x86-basic-layout.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-empty-layout.c b/test/Layout/ms-x86-empty-layout.c
index faca0be0a9c..3554baf3a8b 100644
--- a/test/Layout/ms-x86-empty-layout.c
+++ b/test/Layout/ms-x86-empty-layout.c
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
 
 struct EmptyIntMemb {
diff --git a/test/Layout/ms-x86-empty-nonvirtual-bases.cpp b/test/Layout/ms-x86-empty-nonvirtual-bases.cpp
index 6ef14948e34..3fca32444b7 100644
--- a/test/Layout/ms-x86-empty-nonvirtual-bases.cpp
+++ b/test/Layout/ms-x86-empty-nonvirtual-bases.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-empty-virtual-base.cpp b/test/Layout/ms-x86-empty-virtual-base.cpp
index 23e287acf93..2d0e55a01cb 100644
--- a/test/Layout/ms-x86-empty-virtual-base.cpp
+++ b/test/Layout/ms-x86-empty-virtual-base.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-lazy-empty-nonvirtual-base.cpp b/test/Layout/ms-x86-lazy-empty-nonvirtual-base.cpp
index 34ae0cf9dde..0d168121b3f 100644
--- a/test/Layout/ms-x86-lazy-empty-nonvirtual-base.cpp
+++ b/test/Layout/ms-x86-lazy-empty-nonvirtual-base.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-pack-and-align.cpp b/test/Layout/ms-x86-pack-and-align.cpp
index d766a7d25d7..9ded22ec850 100644
--- a/test/Layout/ms-x86-pack-and-align.cpp
+++ b/test/Layout/ms-x86-pack-and-align.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only -Wno-inaccessible-base %s 2>&1 \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only -Wno-inaccessible-base %s 2>&1 \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only -Wno-inaccessible-base %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only -Wno-inaccessible-base %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-size-alignment-fail.cpp b/test/Layout/ms-x86-size-alignment-fail.cpp
index 7e975b0039e..3edf4370eb2 100644
--- a/test/Layout/ms-x86-size-alignment-fail.cpp
+++ b/test/Layout/ms-x86-size-alignment-fail.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts %s 2>/dev/null \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-vfvb-alignment.cpp b/test/Layout/ms-x86-vfvb-alignment.cpp
index 54f74ac16d1..a8224564e59 100644
--- a/test/Layout/ms-x86-vfvb-alignment.cpp
+++ b/test/Layout/ms-x86-vfvb-alignment.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>&1 \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>&1 \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Layout/ms-x86-vfvb-sharing.cpp b/test/Layout/ms-x86-vfvb-sharing.cpp
index 91f194f2a5e..2bae2fc7730 100644
--- a/test/Layout/ms-x86-vfvb-sharing.cpp
+++ b/test/Layout/ms-x86-vfvb-sharing.cpp
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>&1 \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>&1 \
 // RUN:            | FileCheck %s
-// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
+// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fms-extensions -fdump-record-layouts -fsyntax-only %s 2>/dev/null \
 // RUN:            | FileCheck %s -check-prefix CHECK-X64
 
 extern "C" int printf(const char *fmt, ...);
diff --git a/test/Parser/cxx-ambig-init-templ.cpp b/test/Parser/cxx-ambig-init-templ.cpp
index 1f692664137..89ed5e570bf 100644
--- a/test/Parser/cxx-ambig-init-templ.cpp
+++ b/test/Parser/cxx-ambig-init-templ.cpp
@@ -160,7 +160,6 @@ namespace Operators {
 namespace ElaboratedTypeSpecifiers {
   struct S {
     int f(int x = T<a, struct S>());
-    int g(int x = T<a, class __declspec() C>());
     int h(int x = T<a, union __attribute__(()) U>());
     int i(int x = T<a, enum E>());
     int j(int x = T<a, struct S::template T<0, enum E>>());
diff --git a/test/Rewriter/missing-dllimport.c b/test/Rewriter/missing-dllimport.c
index a09ebff44db..9702c972182 100644
--- a/test/Rewriter/missing-dllimport.c
+++ b/test/Rewriter/missing-dllimport.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple i686-pc-win32 -verify %s
+// RUN: %clang_cc1 -triple i686-pc-win32 -fms-extensions -verify %s
 
 // Do not report that 'foo()' is redeclared without dllimport attribute.
 // specified.  Addresses <rdar://problem/7653912>.
diff --git a/test/Sema/dllexport.c b/test/Sema/dllexport.c
index 76b6f6dc5a0..69aad2eb54c 100644
--- a/test/Sema/dllexport.c
+++ b/test/Sema/dllexport.c
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c99 %s
-// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c11 %s
-// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c11 %s
-// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c99 %s
+// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -fms-extensions -verify -std=c99 %s
+// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -fms-extensions -verify -std=c11 %s
+// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -fms-extensions -verify -std=c11 %s
+// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -fms-extensions -verify -std=c99 %s
 
 // Invalid usage.
 __declspec(dllexport) typedef int typedef1; // expected-warning{{'dllexport' attribute only applies to variables and functions}}
diff --git a/test/Sema/dllimport.c b/test/Sema/dllimport.c
index ac883822dea..e066abdb72d 100644
--- a/test/Sema/dllimport.c
+++ b/test/Sema/dllimport.c
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c99 -DMS %s
-// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c11 -DMS %s
-// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c11 -DGNU %s
-// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c99 -DGNU %s
+// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -fms-extensions -verify -std=c99 -DMS %s
+// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -fms-extensions -verify -std=c11 -DMS %s
+// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -fms-extensions -verify -std=c11 -DGNU %s
+// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -fms-extensions -verify -std=c99 -DGNU %s
 
 // Invalid usage.
 __declspec(dllimport) typedef int typedef1; // expected-warning{{'dllimport' attribute only applies to variables and functions}}
diff --git a/test/Sema/ms-inline-asm.c b/test/Sema/ms-inline-asm.c
index 4c6948f4d45..abf10b67cce 100644
--- a/test/Sema/ms-inline-asm.c
+++ b/test/Sema/ms-inline-asm.c
@@ -1,5 +1,5 @@
 // REQUIRES: x86-registered-target
-// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -fasm-blocks -Wno-microsoft -Wunused-label -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -fms-extensions -fasm-blocks -Wno-microsoft -Wunused-label -verify -fsyntax-only
 
 void t1(void) { 
  __asm __asm // expected-error {{__asm used with no assembly instructions}}
diff --git a/test/Sema/pragma-ms_struct.c b/test/Sema/pragma-ms_struct.c
index e2c5ff1f481..a2591b6a4c4 100644
--- a/test/Sema/pragma-ms_struct.c
+++ b/test/Sema/pragma-ms_struct.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin9 %s
+// RUN: %clang_cc1 -fsyntax-only -fms-extensions -verify -triple x86_64-apple-darwin9 %s
 
 #pragma ms_struct on
 
diff --git a/test/SemaCXX/dllexport-pr22591.cpp b/test/SemaCXX/dllexport-pr22591.cpp
index 9d9fc84845c..42c61553a7c 100644
--- a/test/SemaCXX/dllexport-pr22591.cpp
+++ b/test/SemaCXX/dllexport-pr22591.cpp
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-windows-gnu  -verify -std=c++03 %s
-// RUN: %clang_cc1 -triple i686-windows-gnu  -verify -std=c++11 %s
-// RUN: %clang_cc1 -triple i686-windows-msvc -verify -std=c++03 -DERROR %s
-// RUN: %clang_cc1 -triple i686-windows-msvc -verify -std=c++11 %s
+// RUN: %clang_cc1 -triple i686-windows-gnu  -fms-extensions -verify -std=c++03 %s
+// RUN: %clang_cc1 -triple i686-windows-gnu  -fms-extensions -verify -std=c++11 %s
+// RUN: %clang_cc1 -triple i686-windows-msvc -fms-extensions -verify -std=c++03 -DERROR %s
+// RUN: %clang_cc1 -triple i686-windows-msvc -fms-extensions -verify -std=c++11 %s
 
 #ifndef ERROR
 // expected-no-diagnostics
diff --git a/test/SemaCXX/dllexport.cpp b/test/SemaCXX/dllexport.cpp
index 3b9b20d72de..e41952562c8 100644
--- a/test/SemaCXX/dllexport.cpp
+++ b/test/SemaCXX/dllexport.cpp
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template -DMS %s
-// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template -DMS %s
-// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template %s
-// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template %s
+// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -fms-extensions -verify -std=c++11 -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -fms-extensions -verify -std=c++1y -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -fms-extensions -verify -std=c++1y -Wunsupported-dll-base-class-template %s
+// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -fms-extensions -verify -std=c++11 -Wunsupported-dll-base-class-template %s
 
 // Helper structs to make templates more expressive.
 struct ImplicitInst_Exported {};
diff --git a/test/SemaCXX/dllimport.cpp b/test/SemaCXX/dllimport.cpp
index eb6a554522b..6052ea1feef 100644
--- a/test/SemaCXX/dllimport.cpp
+++ b/test/SemaCXX/dllimport.cpp
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template -DMS %s
-// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template -DMS %s
-// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template -DGNU %s
-// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template -DGNU %s
+// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -fms-extensions -verify -std=c++11 -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -fms-extensions -verify -std=c++1y -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -fms-extensions -verify -std=c++1y -Wunsupported-dll-base-class-template -DGNU %s
+// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -fms-extensions -verify -std=c++11 -Wunsupported-dll-base-class-template -DGNU %s
 
 // Helper structs to make templates more expressive.
 struct ImplicitInst_Imported {};
diff --git a/test/SemaCXX/generalized-deprecated.cpp b/test/SemaCXX/generalized-deprecated.cpp
index 811610f5097..8fa20d0a0f0 100644
--- a/test/SemaCXX/generalized-deprecated.cpp
+++ b/test/SemaCXX/generalized-deprecated.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++11 -verify -fsyntax-only -Wno-deprecated %s
+// RUN: %clang_cc1 -std=c++11 -verify -fsyntax-only -fms-extensions -Wno-deprecated %s
 
 // NOTE: use -Wno-deprecated to avoid cluttering the output with deprecated
 // warnings
-- 
GitLab