21 lines
412 B
C
21 lines
412 B
C
/* { dg-do compile } */
|
|
/* { dg-options "-O1 -fdump-tree-optimized" } */
|
|
|
|
extern void link_error (void);
|
|
|
|
void
|
|
foo (int b)
|
|
{
|
|
int a;
|
|
a = b + 2;
|
|
a--;
|
|
a--;
|
|
if (a != b)
|
|
link_error ();
|
|
}
|
|
|
|
/* The comparison should be eliminated, there should be no reference
|
|
to link_error. */
|
|
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
|
|
/* { dg-final { cleanup-tree-dump "optimized" } } */
|