diff options
Diffstat (limited to 'test/clang-tidy/abseil-upgrade-duration-conversions.cpp')
-rw-r--r-- | test/clang-tidy/abseil-upgrade-duration-conversions.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/clang-tidy/abseil-upgrade-duration-conversions.cpp b/test/clang-tidy/abseil-upgrade-duration-conversions.cpp index 7d8ad43e..fed0f8bd 100644 --- a/test/clang-tidy/abseil-upgrade-duration-conversions.cpp +++ b/test/clang-tidy/abseil-upgrade-duration-conversions.cpp @@ -430,3 +430,36 @@ void factoryInMacros() { factoryTemplateAndMacro<ConvertibleTo<int>>(); TemplateFactoryInMacro(ConvertibleTo<int>()); } + +// This is a reduced test-case for PR39949 and manifested in this check. +namespace std { +template <typename _Tp> +_Tp declval(); + +template <typename _Functor, typename... _ArgTypes> +struct __res { + template <typename... _Args> + static decltype(declval<_Functor>()(_Args()...)) _S_test(int); + + template <typename...> + static void _S_test(...); + + typedef decltype(_S_test<_ArgTypes...>(0)) type; +}; + +template <typename> +struct function; + +template <typename... _ArgTypes> +struct function<void(_ArgTypes...)> { + template <typename _Functor, + typename = typename __res<_Functor, _ArgTypes...>::type> + function(_Functor) {} +}; +} // namespace std + +typedef std::function<void(void)> F; + +F foo() { + return F([] {}); +} |