| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ | |
| void f (const char *c, int *i) | |
| { | |
| *i = 42; | |
| __builtin_memcpy (i + 1, c, sizeof (int)); | |
| if (*i != 42) __builtin_abort(); | |
| } | |
| extern void keepit (); | |
| void g (const char *c, int *i) | |
| { | |
| *i = 33; | |
| __builtin_memcpy (i - 1, c, 3 * sizeof (int)); | |
| if (*i != 33) keepit(); | |
| } | |
| /* { dg-final { scan-tree-dump-not "abort" "optimized" } } */ | |
| /* { dg-final { scan-tree-dump "keepit" "optimized" } } */ | |