Author: jonastoth Date: Fri Jan 18 10:03:11 2019 New Revision: 351569 URL: http://llvm.org/viewvc/llvm-project?rev=351569&view=rev Log: [clang-tidy] add reproducer for PR39949 into test-suite
Summary: The underlying issue is fixed in https://reviews.llvm.org/D56444 and this test ensures the issue does not creep back into our code-base. Reviewers: alexfh, aaron.ballman, hokein, hwright Reviewed By: aaron.ballman Subscribers: xazax.hun, cfe-commits Differential Revision: https://reviews.llvm.org/D56918 Modified: clang-tools-extra/trunk/test/clang-tidy/abseil-upgrade-duration-conversions.cpp Modified: clang-tools-extra/trunk/test/clang-tidy/abseil-upgrade-duration-conversions.cpp URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-tidy/abseil-upgrade-duration-conversions.cpp?rev=351569&r1=351568&r2=351569&view=diff ============================================================================== --- clang-tools-extra/trunk/test/clang-tidy/abseil-upgrade-duration-conversions.cpp (original) +++ clang-tools-extra/trunk/test/clang-tidy/abseil-upgrade-duration-conversions.cpp Fri Jan 18 10:03:11 2019 @@ -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([] {}); +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
