gcc/testsuite/gcc.dg/torture/pr86554-1.c

   1 /* { dg-do run } */
   2
   3 struct foo
   4 {
   5   __UINT32_TYPE__ x;
   6 };
   7 typedef struct foo foo;
   8
   9 static inline __INT32_TYPE__ zot(foo *f)
  10 {
  11   int ret;
  12
  13   if (f->x > 0x7FFFFFFF)
  14     ret = (__INT32_TYPE__)(f->x - 0x7FFFFFFF);
  15   else
  16     ret = (__INT32_TYPE__)f->x - 0x7FFFFFFF;
  17   return ret;
  18 }
  19
  20 void __attribute__((noinline,noclone)) bar(foo *f)
  21 {
  22   __INT32_TYPE__ ret = zot(f);
  23   volatile __INT32_TYPE__ x = ret;
  24   if (ret < 1)
  25     __builtin_abort ();
  26 }
  27
  28 int main()
  29 {
  30   foo f;
  31   f.x = 0x800003f8;
  32
  33   bar(&f);
  34   return 0;
  35 }