diff options
Diffstat (limited to 'compilerplugins/clang/test/unreffun.cxx')
-rw-r--r-- | compilerplugins/clang/test/unreffun.cxx | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/unreffun.cxx b/compilerplugins/clang/test/unreffun.cxx new file mode 100644 index 0000000000..315c699b77 --- /dev/null +++ b/compilerplugins/clang/test/unreffun.cxx @@ -0,0 +1,57 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#include "config_clang.h" + +#include "unreffun.hxx" + +template <typename> struct S +{ + friend void f(); +}; + +void f() {} + +void g(); // expected-error {{Unreferenced function declaration [loplugin:unreffun]}} + +void h() // expected-error {{Unreferenced externally visible function definition [loplugin:unreffun]}} +{ +} + +void i() {} + +extern void j(); // expected-error {{Unreferenced function declaration [loplugin:unreffun]}} + +extern void +k() // expected-error {{Unreferenced externally visible function definition [loplugin:unreffun]}} +{ +} + +extern void l(); // expected-note {{first declaration is here [loplugin:unreffun]}} +void l() // expected-error {{Unreferenced externally visible function definition [loplugin:unreffun]}} +{ +} + +void m() +{ +// The below produced a false "Unreferenced externally invisible function definition" for Local::f +// prior to <https://github.com/llvm/llvm-project/commit/d812488d3c54c07f24d4bef79e329f17e7f19c3b> +// "Call MarkVirtualMembersReferenced on an actual class definition" in Clang 17: +#if CLANG_VERSION >= 170000 + struct Local; +#endif + struct Local + { + virtual void f() {} + }; + Local x; + (void)x; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |