xref: /aosp_15_r20/external/clang/test/SemaCXX/attr-aligned.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2*67e74705SXin Li // expected-no-diagnostics
3*67e74705SXin Li 
4*67e74705SXin Li typedef struct S1 { char c; } S1 __attribute__((aligned(8)));
5*67e74705SXin Li static_assert(alignof(S1) == 8, "attribute ignored");
6*67e74705SXin Li static_assert(alignof(struct S1) == 1, "attribute applied to original type");
7*67e74705SXin Li 
8*67e74705SXin Li typedef struct __attribute__((aligned(8))) S2 { char c; } AS;
9*67e74705SXin Li static_assert(alignof(S2) == 8, "attribute not propagated");
10*67e74705SXin Li static_assert(alignof(struct S2) == 8, "attribute ignored");
11*67e74705SXin Li 
12*67e74705SXin Li typedef struct __attribute__((aligned(4))) S3 {
13*67e74705SXin Li   char c;
14*67e74705SXin Li } S3 __attribute__((aligned(8)));
15*67e74705SXin Li static_assert(alignof(S3) == 8, "attribute ignored");
16*67e74705SXin Li static_assert(alignof(struct S3) == 4, "attribute clobbered");
17