gcc/testsuite/gcc.c-torture/execute/pr58726.c

   1 /* PR rtl-optimization/58726 */
   2
   3 int a, c;
   4 union { int f1; int f2 : 1; } b;
   5
   6 short
   7 foo (short p)
   8 {
   9   return p < 0 ? p : a;
  10 }
  11
  12 int
  13 main ()
  14 {
  15   if (sizeof (short) * __CHAR_BIT__ != 16
  16       || sizeof (int) * __CHAR_BIT__ != 32)
  17     return 0;
  18   b.f1 = 56374;
  19   unsigned short d;
  20   int e = b.f2;
  21   d = e == 0 ? b.f1 : 0;
  22   c = foo (d);
  23   if (c != (short) 56374)
  24     __builtin_abort ();
  25   return 0;
  26 }