gcc/testsuite/gcc.dg/tree-ssa/pr21574.c


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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre-details" } */

int
foo (int *p)
{
  *p = 0;
  return *p;
}

/* The store to *p should be propagated to the load statement.  */
/* { dg-final { scan-tree-dump "Replaced \\\*p_.\\\(D\\\) with 0" "fre" } } */
/* { dg-final { cleanup-tree-dump "fre" } } */