1// RUN: %clang_cc1 -fsyntax-only -Wno-error=incompatible-ms-struct -verify -triple i686-apple-darwin9 -std=c++11 %s
2// RUN: %clang_cc1 -fsyntax-only -Wno-error=incompatible-ms-struct -verify -triple armv7-apple-darwin9 -std=c++11 %s
3// RUN: %clang_cc1 -fsyntax-only -DTEST_FOR_ERROR -verify -triple armv7-apple-darwin9 -std=c++11 %s
4
5#pragma ms_struct on
6
7struct A {
8  unsigned long a:4;
9  unsigned char b;
10};
11
12struct B : public A {
13#ifdef TEST_FOR_ERROR
14  // expected-error@-2 {{ms_struct may not produce MSVC-compatible layouts for classes with base classes or virtual functions}}
15#else
16  // expected-warning@-4 {{ms_struct may not produce MSVC-compatible layouts for classes with base classes or virtual functions}}
17#endif
18  unsigned long c:16;
19	int d;
20  B();
21};
22
23static_assert(__builtin_offsetof(B, d) == 12,
24  "We can't allocate the bitfield into the padding under ms_struct");
25
26// rdar://16178895
27struct C {
28#ifdef TEST_FOR_ERROR
29  // expected-error@-2 {{ms_struct may not produce MSVC-compatible layouts for classes with base classes or virtual functions}}
30#else
31  // expected-warning@-4 {{ms_struct may not produce MSVC-compatible layouts for classes with base classes or virtual functions}}
32#endif
33  virtual void foo();
34  long long n;
35};
36
37static_assert(__builtin_offsetof(C, n) == 8,
38              "long long field in ms_struct should be 8-byte aligned");
39