modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr48809.c (about)

     1  /* PR tree-optimization/48809 */
     2  
     3  extern void abort (void);
     4  
     5  int
     6  foo (signed char x)
     7  {
     8    int y = 0;
     9    switch (x)
    10      {
    11      case 0: y = 1; break;
    12      case 1: y = 7; break;
    13      case 2: y = 2; break;
    14      case 3: y = 19; break;
    15      case 4: y = 5; break;
    16      case 5: y = 17; break;
    17      case 6: y = 31; break;
    18      case 7: y = 8; break;
    19      case 8: y = 28; break;
    20      case 9: y = 16; break;
    21      case 10: y = 31; break;
    22      case 11: y = 12; break;
    23      case 12: y = 15; break;
    24      case 13: y = 111; break;
    25      case 14: y = 17; break;
    26      case 15: y = 10; break;
    27      case 16: y = 31; break;
    28      case 17: y = 7; break;
    29      case 18: y = 2; break;
    30      case 19: y = 19; break;
    31      case 20: y = 5; break;
    32      case 21: y = 107; break;
    33      case 22: y = 31; break;
    34      case 23: y = 8; break;
    35      case 24: y = 28; break;
    36      case 25: y = 106; break;
    37      case 26: y = 31; break;
    38      case 27: y = 102; break;
    39      case 28: y = 105; break;
    40      case 29: y = 111; break;
    41      case 30: y = 17; break;
    42      case 31: y = 10; break;
    43      case 32: y = 31; break;
    44      case 98: y = 18; break;
    45      case -62: y = 19; break;
    46      }
    47    return y;
    48  }
    49  
    50  int
    51  main ()
    52  {
    53    if (foo (98) != 18 || foo (97) != 0 || foo (99) != 0)
    54      abort ();
    55    if (foo (-62) != 19 || foo (-63) != 0 || foo (-61) != 0)
    56      abort ();
    57    if (foo (28) != 105 || foo (27) != 102 || foo (29) != 111)
    58      abort ();
    59    return 0;
    60  }