https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77886
--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Mon Oct 31 13:39:49 2016 New Revision: 241700 URL: https://gcc.gnu.org/viewcvs?rev=241700&root=gcc&view=rev Log: PR c++/77886 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over FALLTHROUGH_LABEL_P flag to the new LABEL_DECL. (tsubst_expr) <case LABEL_EXPR>: Likewise. * g++.dg/warn/Wimplicit-fallthrough-2.C: New test. Added: trunk/gcc/testsuite/g++.dg/warn/Wimplicit-fallthrough-2.C Modified: trunk/gcc/ChangeLog trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c