https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93713
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:9a0c4f5b373e236cb4af5491f50862d41fd8775a commit r10-6629-g9a0c4f5b373e236cb4af5491f50862d41fd8775a Author: Jason Merrill <ja...@redhat.com> Date: Thu Feb 13 16:56:08 2020 +0100 c++: Fix useless using-declaration. Here reintroducing the same declarations into the global namespace via using-declaration is useless but OK. And a function and a function template with the same parameters do not conflict. gcc/cp/ChangeLog 2020-02-13 Jason Merrill <ja...@redhat.com> PR c++/93713 * name-lookup.c (matching_fn_p): A function does not match a template.