modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/pr58978.c (about)

     1  /* PR tree-optimization/58978 */
     2  
     3  int
     4  foo (int x)
     5  {
     6    switch (x)
     7      {
     8      case 0:
     9      case 1:
    10      case 9:
    11        break;
    12      default:
    13        __builtin_unreachable ();
    14      }
    15    return x;
    16  }