gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-13.c


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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */

static const char f[3] = "?";

int foo()
{
  int i = 0;
  return f[i] != '?';
}

/* { dg-final { scan-tree-dump "return 0;" "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */