gcc/testsuite/gcc.dg/pr52139.c

   1 /* PR rtl-optimization/52139 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -fno-tree-dominator-opts -fno-tree-fre" } */
   4 /* { dg-additional-options "-fpic" { target fpic } } */
   5 /* { dg-require-effective-target label_values } */
   6
   7 void *p;
   8
   9 void
  10 foo (int a)
  11 {
  12   switch (a)
  13     {
  14     case 0:
  15     a0:
  16     case 1:
  17     a1:
  18       p = &&a1;
  19     case 2:
  20     a2:
  21       p = &&a2;
  22     case 3:
  23     a3:
  24       p = &&a3;
  25     case 4:
  26     a4:
  27       p = &&a4;
  28     case 5:
  29     a5:
  30       p = &&a5;
  31     case 6:
  32     a6:
  33       p = &&a6;
  34     case 7:
  35     a7:
  36       p = &&a7;
  37     case 8:
  38     a8:
  39       p = &&a8;
  40     case 9:
  41     a9:
  42       p = &&a9;
  43     case 10:
  44     a10:
  45       p = &&a10;
  46     default:
  47       p = &&a0;
  48     }
  49   goto *p;
  50 }