gcc/testsuite/gcc.dg/pr45259.c

   1 /* PR debug/45259 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-g -O2 -w -fpic" { target fpic } } */
   4 /* { dg-options "-g -O2 -w" { target { ! fpic } } } */
   5 /* { dg-require-effective-target indirect_jumps } */
   6 /* { dg-require-effective-target label_values } */
   7
   8 struct S { void (*bar) (long); };
   9 struct T { struct S *t; };
  10 int w;
  11 extern int baz (int);
  12
  13 void
  14 foo (int x, int u, char *z)
  15 {
  16   struct T *v;
  17   static void *y[256] = { &&l1, &&l2 };
  18   for (;;)
  19     switch (x)
  20       {
  21       l2:
  22         x = 9;
  23       case 9:
  24         goto *y[*z++];
  25       case 10:
  26       case 27:
  27       case 54:
  28       case 99:
  29       case 100:
  30       case 120:
  31       case 122:
  32       case 131:
  33       case 132:
  34       case 134:
  35       case 141:
  36       case 142:
  37         v->t->bar (u);
  38         v->t->bar (u);
  39       case 143:
  40         continue;
  41       l1:
  42       default:
  43         baz (w);
  44       }
  45 }