view gcc/testsuite/gcc.dg/builtin-unreachable-6.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-fab1 -fno-tree-dominator-opts -fno-tree-vrp" } */
/* { dg-require-effective-target label_values } */

void
foo (int b, int c)
{
  void *x = &&lab;
  if (b)
    {
lab:
      __builtin_unreachable ();
    }
lab2:
  if (c)
    x = &&lab2;
  goto *x;
}

/* { dg-final { scan-tree-dump-times "lab:" 1 "fab1" } } */
/* { dg-final { scan-tree-dump-times "__builtin_unreachable" 1 "fab1" } } */