diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/c11-align-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/c11-align-1.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c11-align-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/c11-align-1.c new file mode 100644 index 000000000..e0058c380 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/c11-align-1.c @@ -0,0 +1,41 @@ +/* Test C11 alignment support. Test valid code. */ +/* { dg-do compile } */ +/* { dg-options "-std=c11 -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" } */ |