https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56840
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jason Merrill from comment #4) > Author: jason > Date: Sun Nov 13 06:51:23 2016 > New Revision: 242348 > > URL: https://gcc.gnu.org/viewcvs?rev=242348&root=gcc&view=rev > Log: > DR 374 - specialization in outer namespace > > PR c++/56840 For the record, that commit fixed PR c++/56480 not this one.