gcc/testsuite/gcc.dg/pr46499-2.c

/* PR middle-end/46499 */
/* { dg-do compile } */
/* { dg-options "-O -fno-tree-ccp -fno-tree-dominator-opts" } */

extern void abort (void);

static inline int
foo (void)
{
  return 0;
}

int
main ()
{
  if ((foo () == 1) & (foo () == 1))
    abort ();
  return 0;
}