gcc/testsuite/gcc.dg/torture/pr114203.c

   1 /* { dg-do run } */
   2
   3 int __attribute__((noipa))
   4 foo (unsigned char b)
   5 {
   6   int c = 0;
   7
   8   while (b) {
   9       b >>= 1;
  10       c++;
  11   }
  12
  13   return c;
  14 }
  15
  16 int main()
  17 {
  18   if (foo(0) != 0)
  19     __builtin_abort ();
  20   return 0;
  21 }