[PATCH] D52240: Partial Fix for PR#39864

[Marshall Clow via Phabricator]

mclow.lists added a comment.

An alternate solution would be to define `_LIBCPP_HAS_NO_DEFAULT_TEMPLATE_ARGS_IN_FUNCTIONS` and use that.
(always true, for clang, and > C++03 for other compilers)


https://reviews.llvm.org/D52240