gcc/testsuite/gcc.dg/pr80775.c

   1 /* PR middle-end/80775 ICE: -O3 produces ice in group_case_labels_stmt.  */
   2 /* { dg-do compile }  */
   3 /* { dg-options "-O3" }  */
   4
   5 typedef struct { short a; } b;
   6 b c[10];
   7 int d, e, f, g, h;
   8 int
   9 i (void)
  10 {
  11   f = 0;
  12   for (; f < e; f++) {
  13     switch (g) {
  14     case 1:
  15       d = 1;
  16     case 2:
  17       c[2 + f].a = 1;
  18     }
  19     h += c[f].a;
  20   }
  21 }