gcc/testsuite/gcc.dg/pr59920-2.c

   1 /* PR tree-optimization/59920 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O0" } */
   4 /* { dg-require-effective-target label_values } */
   5 /* { dg-require-effective-target indirect_jumps } */
   6
   7 void *bar (void **);
   8 void *baz (int, void **);
   9
  10 #define A(n) \
  11   { __label__ l1_##n, l2_##n, l3_##n;                   \
  12     static void *a[] = { &&l1_##n, &&l2_##n, &&l3_##n };\
  13     void *b = bar (a);                                  \
  14     goto *b;                                            \
  15    l1_##n:                                              \
  16     b = baz (1, a);                                     \
  17     goto *b;                                            \
  18    l2_##n:                                              \
  19     b = baz (2, a);                                     \
  20     goto *b;                                            \
  21    l3_##n:;                                             \
  22   }
  23 #define B(n) A(n##0) A(n##1) A(n##2) A(n##3) A(n##4) \
  24              A(n##5) A(n##6) A(n##7) A(n##8) A(n##9)
  25 #define C(n) B(n##0) B(n##1) B(n##2) B(n##3) B(n##4) \
  26              B(n##5) B(n##6) B(n##7) B(n##8) B(n##9)
  27
  28 void
  29 foo (void)
  30 {
  31   C(1)
  32 }