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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 static const char f[3] = "?";
   5
   6 int foo()
   7 {
   8   int i = 0;
   9   return f[i] != '?';
  10 }
  11
  12 /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */
  13