gcc/testsuite/gcc.dg/pr81564.c

   1 /* PR middle-end/81564 ICE in group_case_labels_stmt().  */
   2 /* { dg-do compile }  */
   3 /* { dg-options "-O2" }  */
   4
   5 struct a {
   6     int b;
   7     int c;
   8 };
   9
  10 void
  11 foo (void)
  12 {
  13   struct a *e;
  14   switch (e->c)
  15   {
  16     case 7:
  17     case 3:
  18       if (__builtin_expect(!0, 0))
  19         __builtin_unreachable();
  20   }
  21 }