1 files changed, 18 insertions, 0 deletions
diff --git a/test/SemaCXX/ms_struct.cpp b/test/SemaCXX/ms_struct.cpp
new file mode 100644
index 0000000..37fa9a7
--- /dev/null
+++ b/test/SemaCXX/ms_struct.cpp
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-apple-darwin9 -std=c++11 %s
+// expected-no-diagnostics
+
+#pragma ms_struct on
+
+struct A {
+  unsigned long a:4;
+  unsigned char b;
+};
+
+struct B : public A {
+  unsigned long c:16;
+	int d;
+  B();
+};
+
+static_assert(__builtin_offsetof(B, d) == 12,
+  "We can't allocate the bitfield into the padding under ms_struct");
+\ No newline at end of file