https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79790
--- Comment #7 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> --- Author: paolo Date: Fri Aug 4 22:15:48 2017 New Revision: 250883 URL: https://gcc.gnu.org/viewcvs?rev=250883&root=gcc&view=rev Log: /cp 2017-08-04 Paolo Carlini <paolo.carl...@oracle.com> PR c++/79790 * pt.c (do_class_deduction): Handle the case of no viable implicit deduction guides; simplify the code generating implicit deduction guides. /testsuite 2017-08-04 Paolo Carlini <paolo.carl...@oracle.com> PR c++/79790 * g++.dg/cpp1z/class-deduction42.C: New. Added: trunk/gcc/testsuite/g++.dg/cpp1z/class-deduction43.C Modified: trunk/gcc/testsuite/ChangeLog