/* { 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" } } */ | |