This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug c++/66543] False positive warning "variable set but not used"
- From: "jason at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 19 Apr 2016 19:30:54 +0000
- Subject: [Bug c++/66543] False positive warning "variable set but not used"
- Auto-submitted: auto-generated
- References: <bug-66543-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66543
--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Apr 19 19:30:22 2016
New Revision: 235221
URL: https://gcc.gnu.org/viewcvs?rev=235221&root=gcc&view=rev
Log:
PR c++/66543 - -Wunused-but-set* false positives
* expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
* pt.c (make_pack_expansion): Call mark_exp_read.
* semantics.c (finish_id_expression): Call mark_type_use in
unevaluated context.
Added:
trunk/gcc/testsuite/g++.dg/warn/Wunused-parm-7.C
trunk/gcc/testsuite/g++.dg/warn/Wunused-parm-8.C
trunk/gcc/testsuite/g++.dg/warn/Wunused-var-24.C
trunk/gcc/testsuite/g++.dg/warn/Wunused-var-25.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/expr.c
trunk/gcc/cp/pt.c
trunk/gcc/cp/semantics.c