[libc++] Removes a GCC bug work-around.

Based on the comments in [1] this should be fixed in GCC-11.

[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37804

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D127590

diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 4e6aee3b84caaca0c88b2ac11826d7989621c510..e5dd1f4d45ea95097e8ac3ada8fb647e4e0988c6 100644 (file)
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -33,12 +33,10 @@ _LIBCPP_PUSH_MACROS
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if defined(__GNUC__) && !defined(__clang__) // gcc.gnu.org/PR37804
 template <class, class, class, class> class _LIBCPP_TEMPLATE_VIS map;
 template <class, class, class, class> class _LIBCPP_TEMPLATE_VIS multimap;
 template <class, class, class> class _LIBCPP_TEMPLATE_VIS set;
 template <class, class, class> class _LIBCPP_TEMPLATE_VIS multiset;
-#endif
 
 template <class _Tp, class _Compare, class _Allocator> class __tree;
 template <class _Tp, class _NodePtr, class _DiffType>