https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80598
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Fri Jun 22 20:32:15 2018 New Revision: 261915 URL: https://gcc.gnu.org/viewcvs?rev=261915&root=gcc&view=rev Log: Backported from mainline 2018-03-08 Jason Merrill <ja...@redhat.com> Jakub Jelinek <ja...@redhat.com> PR c++/80598 * call.c (build_over_call): In templates set TREE_USED (first_fn) when not calling mark_used for the benefit of -Wunused-function warning. * g++.dg/warn/Wunused-function4.C: New test. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/warn/Wunused-function4.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/call.c branches/gcc-7-branch/gcc/testsuite/ChangeLog
