Run test in a freestanding environment so it doesn't accidentally pick up system...

While there add a test that verifies that the header parses in C++ mode.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164679 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Headers/unwind.c b/test/Headers/unwind.c
index 2aec9d4c2d89f63a626bbf0f7ebb0b1d02d7f8b8..b2a9265d5fe5988a1efe245a73ec2ccd56d86f81 100644 (file)
--- a/test/Headers/unwind.c
+++ b/test/Headers/unwind.c
@@ -1,6 +1,5 @@
-// RUN: %clang -target arm-unknown-linux-gnueabi %s -fsyntax-only -o -
-// RUN: %clang -target i686-unknown-linux %s -fsyntax-only -o -
+// RUN: %clang -target arm-unknown-linux-gnueabi -ffreestanding -fsyntax-only %s
+// RUN: %clang -target i686-unknown-linux -ffreestanding -fsyntax-only %s
+// RUN: %clang -ffreestanding -fsyntax-only -x c++ %s
 
 #include "unwind.h"
-// CHECK-NOT: error
-// CHECK-NOT: warning