llvm-for-llvmta/tools/clang/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6.cpp

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -fsyntax-only -verify %s
typedef void F() const;
void f() const; // expected-error {{non-member function cannot have 'const' qualifier}}
F g; // expected-error {{non-member function of type 'F' (aka 'void () const') cannot have 'const' qualifier}}
struct X {
void f() const;
friend void g() const; // expected-error {{non-member function cannot have 'const' qualifier}}
static void h() const; // expected-error {{static member function cannot have 'const' qualifier}}
F i; // ok
friend F j; // expected-error {{non-member function of type 'F' (aka 'void () const') cannot have 'const' qualifier}}
static F k; // expected-error {{static member function of type 'F' (aka 'void () const') cannot have 'const' qualifier}}
};
struct Y {
friend void X::f() const;
friend void ::f() const; // expected-error {{non-member function cannot have 'const' qualifier}}
};
template<typename T> struct S {
typedef T F;
typedef T *P; // expected-error {{pointer to function type 'void () const' cannot have 'const' qualifier}}
typedef T &R; // expected-error {{reference to function type 'void () const' cannot have 'const' qualifier}}
};
S<F> s; // expected-note {{in instantiation of}}
// FIXME: This is ill-formed.
template<typename T> struct U {
void f(T);
};
U<F> u;