gcc/testsuite/gcc.dg/torture/pr64284.c

   1 /* { dg-do compile } */
   2
   3 int *a;
   4 int b;
   5 int
   6 fn1() {
   7     enum { QSTRING } c = 0;
   8     while (1) {
   9         switch (*a) {
  10           case '\'':
  11           c = 0;
  12           default:
  13           switch (c)
  14           case 0:
  15             if (b)
  16               return 0;
  17             c = 1;
  18         }
  19         a++;
  20     }
  21 }