gcc/testsuite/gcc.dg/pr78721.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2" } */
   3
   4 int a, b, c;
   5
   6 int fn1 (char e, char f)
   7 {
   8   return !f || (e && f == 1);
   9 }
  10
  11 void fn2 (char e)
  12 {
  13   while (b)
  14     e = 0;
  15   a = 128;
  16   c = fn1 (e, a == e);
  17 }
  18
  19 int main ()
  20 {
  21   fn2 (0);
  22   return 0;
  23 }