gcc/testsuite/gcc.dg/torture/pr48124-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fno-toplevel-reorder" } */
   3 /* { dg-require-effective-target int32plus } */
   4
   5 extern void abort (void);
   6
   7 struct S
   8 {
   9   signed a : 26;
  10   signed b : 16;
  11   signed c : 10;
  12   volatile signed d : 14;
  13 };
  14
  15 static struct S e = { 0, 0, 0, 1 };
  16 static int f = 1;
  17
  18 void __attribute__((noinline))
  19 foo (void)
  20 {
  21   e.d = 0;
  22   f = 2;
  23 }
  24
  25 int
  26 main ()
  27 {
  28   if (e.a || e.b || e.c || e.d != 1 || f != 1)
  29     abort ();
  30   foo ();
  31   if (e.a || e.b || e.c || e.d || f != 2)
  32     abort ();
  33   return 0;
  34 }