[libc++] [P0646] Add feature-test macro for __cpp_lib_list_remove_return_type.
Summary: The return type modification has already been implemented in rL364840 and rL365290.
Reviewers: ldionne, mclow.lists, EricWF, #libc!
Reviewed By: ldionne
Subscribers: christof, dexonsmith, libcxx-commits
Tags: #libc
Differential Revision: https://reviews.llvm.org/D70275
Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 05343588e3bf126319e166e55519531d29d08ba6
diff --git a/docs/FeatureTestMacroTable.rst b/docs/FeatureTestMacroTable.rst
index a02e727..739e5a4 100644
--- a/docs/FeatureTestMacroTable.rst
+++ b/docs/FeatureTestMacroTable.rst
@@ -194,7 +194,7 @@
------------------------------------------------- -----------------
``__cpp_lib_is_constant_evaluated`` ``201811L``
------------------------------------------------- -----------------
- ``__cpp_lib_list_remove_return_type`` *unimplemented*
+ ``__cpp_lib_list_remove_return_type`` ``201806L``
------------------------------------------------- -----------------
``__cpp_lib_ranges`` *unimplemented*
------------------------------------------------- -----------------