__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.
llvm-svn: 238238
diff --git a/clang/test/CodeGenCXX/PR19955.cpp b/clang/test/CodeGenCXX/PR19955.cpp
index 9e10155..1001084 100644
--- a/clang/test/CodeGenCXX/PR19955.cpp
+++ b/clang/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();