gcc/testsuite/gcc.dg/torture/pr50729.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target int32plus } */
   3
   4 extern void abort (void);
   5 unsigned short __attribute__((noinline))
   6 foo (int i)
   7 {
   8   if (i >= 0
   9       && i <= 0x400000)
  10     return (unsigned short)(signed char)i;
  11   return i;
  12 }
  13 int main()
  14 {
  15   int i;
  16   for (i = 0; i < 0xffff; ++i)
  17     if (foo(i) != (unsigned short)(signed char) i)
  18       abort ();
  19   return 0;
  20 }