rt_gccstream/gcc/testsuite/gcc.dg/tree-ssa/pr16721.c

17 lines
357 B
C

/* { dg-do compile } */
/* { dg-options "-O2 -fno-strict-aliasing -fdump-tree-optimized" } */
struct data {
volatile unsigned long *addr;
} *p;
int test()
{
*p->addr;
return 0;
}
/* The load from p->addr should not disappear. */
/* { dg-final { scan-tree-dump-times "\->addr" 1 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */