gcc/testsuite/g++.dg/cpp0x/pr56868.cpp

   1 // { dg-do compile { target c++11 } }
   2
   3 constexpr int f(void *) { return 0; }
   4 constexpr int f(...) { return 1; }
   5 constexpr int g1() { return f(0); }
   6 constexpr int g2(int n) { return f(n); }
   7 constexpr int g3(int n) { return f(n*0); }
   8
   9 int main()
  10 {
  11     static_assert(g1() == 0, "g1 failed");
  12     static_assert(g2(0) == 1, "g2 failed");
  13     static_assert(g3(0) == 1, "g3 failed");
  14 }