gcc/testsuite/gcc.c-torture/execute/pr52979-2.c

   1 /* PR middle-end/52979 */
   2 /* { dg-require-effective-target int32plus } */
   3
   4 extern void abort (void);
   5 int c, d, e;
   6
   7 void
   8 foo (void)
   9 {
  10 }
  11
  12 struct __attribute__((packed)) S { int g : 31; int h : 6; };
  13 static struct S b = { 1 };
  14 struct S a = { 1 };
  15
  16 void
  17 bar (void)
  18 {
  19   a.h = 1;
  20   struct S f = { };
  21   b = f;
  22   e = 0;
  23   if (d)
  24     c = a.g;
  25 }
  26
  27 void
  28 baz (void)
  29 {
  30   bar ();
  31   a = b;
  32 }
  33
  34 int
  35 main ()
  36 {
  37   baz ();
  38   if (a.g)
  39     abort ();
  40   return 0;
  41 }