clang/test/SemaCXX/virtual-override-x86.cpp

   1 // RUN: %clang_cc1 -triple=i686-pc-win32 -fsyntax-only -verify %s -std=c++11
   2
   3 namespace PR14339 {
   4   class A {
   5   public:
   6     virtual void __attribute__((thiscall)) f(); // expected-note{{overridden virtual function is here}}
   7   };
   8
   9   class B : public A {
  10   public:
  11     void __attribute__((cdecl)) f();  // expected-error{{virtual function 'f' has different calling convention attributes ('void () __attribute__((cdecl))') than the function it overrides (which has calling convention 'void () __attribute__((thiscall))'}}
  12   };
  13
  14   class C : public A {
  15   public:
  16     void __attribute__((thiscall)) f();  // This override is correct
  17   };
  18
  19   class D : public A {
  20   public:
  21     void f();  // This override is correct because thiscall is the default calling convention for class members
  22   };
  23
  24   class E {
  25   public:
  26     virtual void __attribute__((stdcall)) g();  // expected-note{{overridden virtual function is here}}
  27   };
  28
  29   class F : public E {
  30   public:
  31     void g();  // expected-error{{virtual function 'g' has different calling convention attributes ('void () __attribute__((thiscall))') than the function it overrides (which has calling convention 'void () __attribute__((stdcall))'}}
  32   };
  33 }