gcc/testsuite/gcc.dg/asan/use-after-scope-switch-3.c

   1 // { dg-do run }
   2 // { dg-additional-options "-fdump-tree-gimple" }
   3
   4 int
   5 main (int argc, char **argv)
   6 {
   7   int *ptr = 0;
   8
   9   for (unsigned i = 0; i < 2; i++)
  10     {
  11       switch (argc)
  12         {
  13         case 11111:;
  14           int a;
  15           ptr = &a;
  16           break;
  17           {
  18             default:
  19               ptr = &a;
  20               *ptr = 12345;
  21             case 222222:
  22             my_label:
  23               ptr = &a;
  24               break;
  25           }
  26         }
  27     }
  28
  29   if (argc == 333333)
  30     goto my_label;
  31
  32   return 0;
  33 }
  34
  35 /* { dg-final { scan-tree-dump-times "ASAN_MARK \\(UNPOISON, &a, \[0-9\]\\);" 4 "gimple" } }  */
  36 /* { dg-final { scan-tree-dump-times "ASAN_MARK \\(POISON, &a, \[0-9\]\\);" 1 "gimple" } }  */