Tested x86_64-linux. Pushed to trunk. -- >8 --
We've already declared optional at the top of the header, so don't need to do it again. libstdc++-v3/ChangeLog: * include/std/optional: Remove redundant redeclaration. --- libstdc++-v3/include/std/optional | 3 --- 1 file changed, 3 deletions(-) diff --git a/libstdc++-v3/include/std/optional b/libstdc++-v3/include/std/optional index 2c4cc260f90..6651686cd1d 100644 --- a/libstdc++-v3/include/std/optional +++ b/libstdc++-v3/include/std/optional @@ -741,9 +741,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION }; #endif // __cpp_concepts - template<typename _Tp> - class optional; - template<typename _Tp> inline constexpr bool __is_optional_v = false; template<typename _Tp> -- 2.46.0