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[Bug c++/77886] -Wimplicit-fallthrough: breaks duff's device (in function templates)
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 31 Oct 2016 13:40:21 +0000
- Subject: [Bug c++/77886] -Wimplicit-fallthrough: breaks duff's device (in function templates)
- Auto-submitted: auto-generated
- References: <bug-77886-4@http.gcc.gnu.org/bugzilla/>
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