clang/test/CXX/expr/expr.post/expr.call/p4.cpp

   1 // RUN: %clang_cc1 -verify %s
   2
   3 void a(int x = 0, int y); // #1 expected-error {{missing default argument on parameter 'y'}}
   4 void b() {
   5   a(); // expected-error {{no matching function}} expected-note@#1 {{requires 2 arguments, but 0 were provided}}
   6   a(0); // expected-error {{no matching function}} expected-note@#1 {{requires 2 arguments, but 1 was provided}}
   7   a(0, 0);
   8 }
   9
  10 void a(int x, int y = 0);
  11 void c() {
  12   a();
  13   a(0);
  14   a(0, 0);
  15 }
  16
  17 template<typename ...T> void f(int x = 0, T ...); // #2
  18 void g() {
  19   f<int>(); // expected-error {{no matching function}} expected-note@#2 {{requires 2 arguments, but 0 were provided}}
  20   f<int>(0); // expected-error {{no matching function}} expected-note@#2 {{requires 2 arguments, but 1 was provided}}
  21   f<int>(0, 0);
  22 }