diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/c11-align-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/c11-align-2.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c11-align-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/c11-align-2.c new file mode 100644 index 000000000..a1750ac54 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/c11-align-2.c @@ -0,0 +1,92 @@ +/* Test C11 alignment support. Test valid code using stdalign.h. */ +/* { dg-do run } */ +/* { dg-options "-std=c11 -pedantic-errors" } */ + +#include <stdalign.h> +#include <stddef.h> + +extern int strcmp (const char *, const char *); + +extern void exit (int); +extern void abort (void); + +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" } */ + +#ifndef alignas +#error "alignas not defined" +#endif + +#ifndef alignof +#error "alignof not defined" +#endif + +#ifndef __alignas_is_defined +#error "__alignas_is_defined not defined" +#endif + +#if __alignas_is_defined != 1 +#error "__alignas_is_defined not 1" +#endif + +#ifndef __alignof_is_defined +#error "__alignof_is_defined not defined" +#endif + +#if __alignof_is_defined != 1 +#error "__alignof_is_defined not 1" +#endif + +#define str(x) #x +#define xstr(x) str(x) + +const char *s1 = xstr(alignas); +const char *s2 = xstr(alignof); +const char *s3 = xstr(__alignas_is_defined); +const char *s4 = xstr(__alignof_is_defined); + +int +main (void) +{ + if (strcmp (s1, "_Alignas") != 0) + abort (); + if (strcmp (s2, "_Alignof") != 0) + abort (); + if (strcmp (s3, "1") != 0) + abort (); + if (strcmp (s4, "1") != 0) + abort (); +} |