gcc/testsuite/gcc.c-torture/execute/pr48973-1.c

   1 /* PR middle-end/48973 */
   2
   3 extern void abort (void);
   4 struct S { int f : 1; } s;
   5 int v = -1;
   6
   7 void
   8 foo (unsigned int x)
   9 {
  10   if (x != -1U)
  11     abort ();
  12 }
  13
  14 int
  15 main ()
  16 {
  17   s.f = (v & 1) > 0;
  18   foo (s.f);
  19   return 0;
  20 }