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[Bug c++/79548] [5/6/7 Regression] missing -Wunused-variable on a typedef'd variable in a function template
- From: "msebor at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 21 Mar 2017 22:34:11 +0000
- Subject: [Bug c++/79548] [5/6/7 Regression] missing -Wunused-variable on a typedef'd variable in a function template
- Auto-submitted: auto-generated
- References: <bug-79548-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79548
--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Tue Mar 21 22:33:39 2017
New Revision: 246335
URL: https://gcc.gnu.org/viewcvs?rev=246335&root=gcc&view=rev
Log:
PR c++/79548 - missing -Wunused-variable on a typedef'd variable in a function
template
gcc/c-family/ChangeLog:
PR c++/79548
* c-common.c (set_underlying_type): Mark type used only when
original del is declared unused.
gcc/testsuite/ChangeLog:
PR c++/79548
* g++.dg/warn/Wunused-var-26.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/warn/Wunused-var-26.C
Modified:
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c-common.c
trunk/gcc/testsuite/ChangeLog