llvm-project/clang/test/SemaCXX/function-redecl.cpp

98 lines
3.0 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
int foo(int);
namespace N {
void f1() {
void foo(int); // okay
}
// FIXME: we shouldn't even need this declaration to detect errors
// below.
void foo(int); // expected-note{{previous declaration is here}}
void f2() {
int foo(int); // expected-error{{functions that differ only in their return type cannot be overloaded}}
{
int foo;
{
// FIXME: should diagnose this because it's incompatible with
// N::foo. However, name lookup isn't properly "skipping" the
// "int foo" above.
float foo(int);
}
}
}
}
class A {
void typocorrection(); // expected-note {{'typocorrection' declared here}}
};
void A::Notypocorrection() { // expected-error {{out-of-line definition of 'Notypocorrection' does not match any declaration in 'A'; did you mean 'typocorrection'}}
}
namespace test0 {
void dummy() {
void Bar(); // expected-note {{'Bar' declared here}}
class A {
friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean 'Bar'}}
};
}
}
class B {
void typocorrection(const int); // expected-note {{'typocorrection' declared here}}
void typocorrection(double);
};
void B::Notypocorrection(int) { // expected-error {{out-of-line definition of 'Notypocorrection' does not match any declaration in 'B'; did you mean 'typocorrection'}}
}
struct X { int f(); };
struct Y : public X {};
int Y::f() { return 3; } // expected-error {{out-of-line definition of 'f' does not match any declaration in 'Y'}}
namespace test1 {
struct Foo {
class Inner { };
};
}
class Bar {
void f(test1::Foo::Inner foo) const; // expected-note {{member declaration does not match because it is const qualified}}
};
using test1::Foo;
void Bar::f(Foo::Inner foo) { // expected-error {{out-of-line definition of 'f' does not match any declaration in 'Bar'}}
(void)foo;
}
class Crash {
public:
void GetCart(int count) const;
};
// This out-of-line definition was fine...
void Crash::cart(int count) const {} // expected-error {{out-of-line definition of 'cart' does not match any declaration in 'Crash'}}
// ...while this one crashed clang
void Crash::chart(int count) const {} // expected-error {{out-of-line definition of 'chart' does not match any declaration in 'Crash'}}
class TestConst {
public:
int getit() const; // expected-note {{member declaration does not match because it is const qualified}}
void setit(int); // expected-note {{member declaration does not match because it is not const qualified}}
};
int TestConst::getit() { // expected-error {{out-of-line definition of 'getit' does not match any declaration in 'TestConst'}}
return 1;
}
void TestConst::setit(int) const { // expected-error {{out-of-line definition of 'setit' does not match any declaration in 'TestConst'}}
}
struct J { int typo() const; };
int J::typo_() { return 3; } // expected-error {{out-of-line definition of 'typo_' does not match any declaration in 'J'}}