gcc/testsuite/gcc.dg/pr80823.c

   1 /* PR middle-end/80823 ICE: verify_flow_info failed  */
   2 /* { dg-do compile }  */
   3 /* { dg-options "-O3" }  */
   4
   5 int a, c;
   6 int b[1];
   7 static inline int
   8 fn1() {
   9   switch (a)
  10   case 0:
  11   case 2:
  12     return 1;
  13   return 0;
  14 }
  15 void fn2() {
  16   int i;
  17   for (;; ++i) {
  18     c = b[i];
  19     int d = !fn1();
  20     if (d)
  21       __asm__("");
  22   }
  23 }