1/* PR c/14649 */
2/* { dg-do compile } */
3/* { dg-options "-O2" } */
4
5double atan(double);
6
7const double pi = 4*atan(1.0);  /* { dg-warning "not a constant expression" } */
8
9const double ok = 4*__builtin_atan(1.0);
10
11double foo()
12{
13  double ok2 = 4*atan(1.0);
14  return ok2;
15}
16
17