gcc/testsuite/gcc.c-torture/execute/pr33142.c

   1 int abs(int j);
   2 extern void abort(void);
   3
   4 __attribute__((noinline)) int lisp_atan2(long dy, long dx) {
   5     if (dx <= 0)
   6         if (dy > 0)
   7             return abs(dx) <= abs(dy);
   8     return 0;
   9 }
  10
  11 int main() {
  12     volatile long dy = 63, dx = -77;
  13     if (lisp_atan2(dy, dx))
  14         abort();
  15     return 0;
  16 }