gcc/testsuite/gcc.c-torture/execute/20171008-1.c

   1 struct S { char c1, c2, c3, c4; } __attribute__((aligned(4)));
   2
   3 static char bar (char **p) __attribute__((noclone, noinline));
   4 static struct S foo (void) __attribute__((noclone, noinline));
   5
   6 int i;
   7
   8 static char
   9 bar (char **p)
  10 {
  11   i = 1;
  12   return 0;
  13 }
  14
  15 static struct S
  16 foo (void)
  17 {
  18   struct S ret;
  19   char r, s, c1, c2;
  20   char *p = &r;
  21
  22   s = bar (&p);
  23   if (s)
  24     c2 = *p;
  25   c1 = 0;
  26
  27   ret.c1 = c1;
  28   ret.c2 = c2;
  29   return ret;
  30 }
  31
  32 int main (void)
  33 {
  34   struct S s = foo ();
  35   if (s.c1 != 0)
  36     __builtin_abort ();
  37   return 0;
  38 }