17 lines
457 B
C
17 lines
457 B
C
/* { dg-do compile } */
|
|
/* { dg-options "-O1 -fdump-tree-original" } */
|
|
#include <stddef.h>
|
|
|
|
char *a;
|
|
int foo(char *b)
|
|
{
|
|
return a+5+(ptrdiff_t)b == (ptrdiff_t)b+a;
|
|
}
|
|
|
|
/* Folding should have determined that the two addresses were
|
|
not identical and thus collapsed the function into a trivial
|
|
"return 0". */
|
|
/* { dg-final { scan-tree-dump-times "return 0" 1 "original" { xfail *-*-* } } } */
|
|
/* { dg-final { cleanup-tree-dump "original" } } */
|
|
|