clang/test/SemaCXX/overload-decl.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 void f();
   3 void f(int);
   4 void f(int, float);
   5 void f(int, int);
   6 void f(int, ...);
   7
   8 typedef float Float;
   9 void f(int, Float); // expected-note {{previous declaration is here}}
  10
  11 int f(int, Float); // expected-error {{functions that differ only in their return type cannot be overloaded}}
  12
  13 void g(void); // expected-note {{previous declaration is here}}
  14 int g(); // expected-error {{functions that differ only in their return type cannot be overloaded}}
  15
  16 typedef int INT;
  17
  18 class X {
  19   void f();
  20   void f(int); // expected-note {{previous declaration is here}}
  21   void f() const;
  22
  23   void f(INT); // expected-error{{cannot be redeclared}}
  24
  25   void g(int); // expected-note {{previous declaration is here}}
  26   void g(int, float); // expected-note {{previous declaration is here}}
  27   int g(int, Float); // expected-error {{functions that differ only in their return type cannot be overloaded}}
  28
  29   static void g(float); // expected-note {{previous declaration is here}}
  30   static void g(int); // expected-error {{static and non-static member functions with the same parameter types cannot be overloaded}}
  31   static void g(float); // expected-error {{class member cannot be redeclared}}
  32
  33   void h(); // expected-note {{previous declaration is here}}
  34   void h() __restrict; // expected-error {{class member cannot be redeclared}}
  35 };
  36
  37 int main() {} // expected-note {{previous definition is here}}
  38 int main(int,char**) {} // expected-error {{conflicting types for 'main'}}