[ms-inline asm] Add a very simple test case.  Basically, we're only testing for
crashers at the moment (and coincidentally this case was causing a crash).

llvm-svn: 161520
diff --git a/clang/test/CodeGen/ms-inline-asm.c b/clang/test/CodeGen/ms-inline-asm.c
new file mode 100644
index 0000000..2d36bbc
--- /dev/null
+++ b/clang/test/CodeGen/ms-inline-asm.c
@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -O0 -fms-extensions -w -emit-llvm -o - | FileCheck %s
+
+void t1() {
+// CHECK: @t1
+// CHECK: ret void
+  __asm {}
+}