| /* Test C2x alignment support. Test valid code. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-std=c2x -pedantic-errors" } */ |
| |
| #include <stddef.h> |
| |
| alignas (alignof (max_align_t)) char c; |
| extern alignas (max_align_t) char c; |
| extern char c; |
| |
| extern alignas (max_align_t) short s; |
| alignas (max_align_t) short s; |
| |
| alignas (int) int i; |
| extern int i; |
| |
| alignas (max_align_t) long l; |
| |
| alignas (max_align_t) long long ll; |
| |
| alignas (max_align_t) float f; |
| |
| alignas (max_align_t) double d; |
| |
| alignas (max_align_t) _Complex long double cld; |
| |
| alignas (0) alignas (int) alignas (char) char ca[10]; |
| |
| alignas ((int) alignof (max_align_t) + 0) int x; |
| |
| enum e { E = alignof (max_align_t) }; |
| alignas (E) int y; |
| |
| void |
| func (void) |
| { |
| alignas (max_align_t) long long auto_ll; |
| } |
| |
| /* Valid, but useless. */ |
| alignas (0) struct s; /* { dg-warning "useless" } */ |
