1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
2 // expected-no-diagnostics
3 
4 // Test that the alignment of a empty direct base class is correctly
5 // inherited by the derived class.
6 
7 struct A {
8 } __attribute__ ((aligned(16)));
9 
10 static_assert(__alignof(A) == 16, "A should be aligned to 16 bytes");
11 
12 struct B1 : public A {
13 };
14 
15 static_assert(__alignof(B1) == 16, "B1 should be aligned to 16 bytes");
16 
17 struct B2 : public A {
18 } __attribute__ ((aligned(2)));
19 
20 static_assert(__alignof(B2) == 16, "B2 should be aligned to 16 bytes");
21 
22 struct B3 : public A {
23 } __attribute__ ((aligned(4)));
24 
25 static_assert(__alignof(B3) == 16, "B3 should be aligned to 16 bytes");
26 
27 struct B4 : public A {
28 } __attribute__ ((aligned(8)));
29 
30 static_assert(__alignof(B4) == 16, "B4 should be aligned to 16 bytes");
31 
32 struct B5 : public A {
33 } __attribute__ ((aligned(16)));
34 
35 static_assert(__alignof(B5) == 16, "B5 should be aligned to 16 bytes");
36 
37 struct B6 : public A {
38 } __attribute__ ((aligned(32)));
39 
40 static_assert(__alignof(B6) == 32, "B6 should be aligned to 32 bytes");
41 
42