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* [Bug c++/53551] New: -Wunused-local-typedefs misses uses @ 2012-06-01 12:23 akim.demaille at gmail dot com 2012-06-01 12:25 ` [Bug c++/53551] " akim.demaille at gmail dot com ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: akim.demaille at gmail dot com @ 2012-06-01 12:23 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551 Bug #: 53551 Summary: -Wunused-local-typedefs misses uses Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: akim.demaille@gmail.com Hi! In the following example, the "context" struct provides types to a template class, "structure". The provided type is used to define a member variable. Yet G++ 4.8 claims: g++-mp-4.8 -std=c++11 -Wall bar.cc bar.cc: In function 'int main()': bar.cc:12:21: warning: typedef 'using type = int' locally defined but not used [-Wunused-local-typedefs] using type = int; ^ This is: g++-mp-4.8 (MacPorts gcc48 4.8-20120527_1) 4.8.0 20120527 (experimental) Copyright (C) 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. The program is: template <typename C> struct structure { typename C::type val; }; int main() { struct context { using type = int; }; return structure<context>{42}.val; } Thanks! ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/53551] -Wunused-local-typedefs misses uses 2012-06-01 12:23 [Bug c++/53551] New: -Wunused-local-typedefs misses uses akim.demaille at gmail dot com @ 2012-06-01 12:25 ` akim.demaille at gmail dot com 2012-08-24 12:08 ` paolo.carlini at oracle dot com ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: akim.demaille at gmail dot com @ 2012-06-01 12:25 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551 --- Comment #1 from Akim Demaille <akim.demaille at gmail dot com> 2012-06-01 12:24:44 UTC --- Created attachment 27539 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27539 Test case ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/53551] -Wunused-local-typedefs misses uses 2012-06-01 12:23 [Bug c++/53551] New: -Wunused-local-typedefs misses uses akim.demaille at gmail dot com 2012-06-01 12:25 ` [Bug c++/53551] " akim.demaille at gmail dot com @ 2012-08-24 12:08 ` paolo.carlini at oracle dot com 2012-09-20 13:47 ` dodji at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: paolo.carlini at oracle dot com @ 2012-08-24 12:08 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551 --- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-08-24 12:07:57 UTC --- Dodji, can we do something about this? ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/53551] -Wunused-local-typedefs misses uses 2012-06-01 12:23 [Bug c++/53551] New: -Wunused-local-typedefs misses uses akim.demaille at gmail dot com 2012-06-01 12:25 ` [Bug c++/53551] " akim.demaille at gmail dot com 2012-08-24 12:08 ` paolo.carlini at oracle dot com @ 2012-09-20 13:47 ` dodji at gcc dot gnu.org 2012-09-20 20:24 ` dodji at gcc dot gnu.org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: dodji at gcc dot gnu.org @ 2012-09-20 13:47 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551 Dodji Seketeli <dodji at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2012-09-20 AssignedTo|unassigned at gcc dot |dodji at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 --- Comment #3 from Dodji Seketeli <dodji at gcc dot gnu.org> 2012-09-20 13:46:59 UTC --- Yes, I am testing a patch for this. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/53551] -Wunused-local-typedefs misses uses 2012-06-01 12:23 [Bug c++/53551] New: -Wunused-local-typedefs misses uses akim.demaille at gmail dot com ` (2 preceding siblings ...) 2012-09-20 13:47 ` dodji at gcc dot gnu.org @ 2012-09-20 20:24 ` dodji at gcc dot gnu.org 2012-09-28 12:22 ` dodji at gcc dot gnu.org 2012-09-28 12:32 ` dodji at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: dodji at gcc dot gnu.org @ 2012-09-20 20:24 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551 --- Comment #4 from Dodji Seketeli <dodji at gcc dot gnu.org> 2012-09-20 20:23:35 UTC --- A candidate patch was sent to http://gcc.gnu.org/ml/gcc-patches/2012-09/msg01492.html ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/53551] -Wunused-local-typedefs misses uses 2012-06-01 12:23 [Bug c++/53551] New: -Wunused-local-typedefs misses uses akim.demaille at gmail dot com ` (3 preceding siblings ...) 2012-09-20 20:24 ` dodji at gcc dot gnu.org @ 2012-09-28 12:22 ` dodji at gcc dot gnu.org 2012-09-28 12:32 ` dodji at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: dodji at gcc dot gnu.org @ 2012-09-28 12:22 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551 --- Comment #5 from Dodji Seketeli <dodji at gcc dot gnu.org> 2012-09-28 12:21:49 UTC --- Author: dodji Date: Fri Sep 28 12:21:33 2012 New Revision: 191828 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191828 Log: PR c++/53551 - -Wunused-local-typedefs misses uses We don't record the use of a typedef when it's used through a typename. Fixed thus. Tested on x86_64-unknown-linux-gnu against trunk. gcc/cp/ * decl.c (make_typename_type): Record the use of typedefs. gcc/testsuite/ * g++.dg/warn/Wunused-local-typedefs-2.C: New test. Added: trunk/gcc/testsuite/g++.dg/warn/Wunused-local-typedefs-2.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/decl.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/53551] -Wunused-local-typedefs misses uses 2012-06-01 12:23 [Bug c++/53551] New: -Wunused-local-typedefs misses uses akim.demaille at gmail dot com ` (4 preceding siblings ...) 2012-09-28 12:22 ` dodji at gcc dot gnu.org @ 2012-09-28 12:32 ` dodji at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: dodji at gcc dot gnu.org @ 2012-09-28 12:32 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551 Dodji Seketeli <dodji at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #6 from Dodji Seketeli <dodji at gcc dot gnu.org> 2012-09-28 12:32:04 UTC --- Fixed in trunk (4.8) ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2012-09-28 12:32 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2012-06-01 12:23 [Bug c++/53551] New: -Wunused-local-typedefs misses uses akim.demaille at gmail dot com 2012-06-01 12:25 ` [Bug c++/53551] " akim.demaille at gmail dot com 2012-08-24 12:08 ` paolo.carlini at oracle dot com 2012-09-20 13:47 ` dodji at gcc dot gnu.org 2012-09-20 20:24 ` dodji at gcc dot gnu.org 2012-09-28 12:22 ` dodji at gcc dot gnu.org 2012-09-28 12:32 ` dodji at gcc dot gnu.org
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