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* [Bug c++/81159] New warning idea: -Wself-move [not found] <bug-81159-4@http.gcc.gnu.org/bugzilla/> @ 2022-08-09 18:04 ` mpolacek at gcc dot gnu.org 2022-08-26 18:02 ` cvs-commit at gcc dot gnu.org ` (4 subsequent siblings) 5 siblings, 0 replies; 6+ messages in thread From: mpolacek at gcc dot gnu.org @ 2022-08-09 18:04 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81159 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |patch --- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Patch posted: https://gcc.gnu.org/pipermail/gcc-patches/2022-August/599503.html ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/81159] New warning idea: -Wself-move [not found] <bug-81159-4@http.gcc.gnu.org/bugzilla/> 2022-08-09 18:04 ` [Bug c++/81159] New warning idea: -Wself-move mpolacek at gcc dot gnu.org @ 2022-08-26 18:02 ` cvs-commit at gcc dot gnu.org 2022-08-26 18:03 ` mpolacek at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2022-08-26 18:02 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81159 --- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Marek Polacek <mpolacek@gcc.gnu.org>: https://gcc.gnu.org/g:0abb78dda084a14b3d955757c6431fff71c263f3 commit r13-2227-g0abb78dda084a14b3d955757c6431fff71c263f3 Author: Marek Polacek <polacek@redhat.com> Date: Mon Aug 8 17:45:28 2022 -0400 c++: Implement -Wself-move warning [PR81159] About 5 years ago we got a request to implement -Wself-move, which warns about useless moves like this: int x; x = std::move (x); This patch implements that warning. PR c++/81159 gcc/c-family/ChangeLog: * c.opt (Wself-move): New option. gcc/cp/ChangeLog: * typeck.cc (maybe_warn_self_move): New. (cp_build_modify_expr): Call maybe_warn_self_move. gcc/ChangeLog: * doc/invoke.texi: Document -Wself-move. gcc/testsuite/ChangeLog: * g++.dg/warn/Wself-move1.C: New test. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/81159] New warning idea: -Wself-move [not found] <bug-81159-4@http.gcc.gnu.org/bugzilla/> 2022-08-09 18:04 ` [Bug c++/81159] New warning idea: -Wself-move mpolacek at gcc dot gnu.org 2022-08-26 18:02 ` cvs-commit at gcc dot gnu.org @ 2022-08-26 18:03 ` mpolacek at gcc dot gnu.org 2022-08-26 18:05 ` simon.marchi at polymtl dot ca ` (2 subsequent siblings) 5 siblings, 0 replies; 6+ messages in thread From: mpolacek at gcc dot gnu.org @ 2022-08-26 18:03 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81159 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED --- Comment #10 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Implemented in GCC 13. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/81159] New warning idea: -Wself-move [not found] <bug-81159-4@http.gcc.gnu.org/bugzilla/> ` (2 preceding siblings ...) 2022-08-26 18:03 ` mpolacek at gcc dot gnu.org @ 2022-08-26 18:05 ` simon.marchi at polymtl dot ca 2022-10-01 8:20 ` jbglaw@lug-owl.de 2022-11-28 22:40 ` pinskia at gcc dot gnu.org 5 siblings, 0 replies; 6+ messages in thread From: simon.marchi at polymtl dot ca @ 2022-08-26 18:05 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81159 --- Comment #11 from Simon Marchi <simon.marchi at polymtl dot ca> --- Awesome, thanks! ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/81159] New warning idea: -Wself-move [not found] <bug-81159-4@http.gcc.gnu.org/bugzilla/> ` (3 preceding siblings ...) 2022-08-26 18:05 ` simon.marchi at polymtl dot ca @ 2022-10-01 8:20 ` jbglaw@lug-owl.de 2022-11-28 22:40 ` pinskia at gcc dot gnu.org 5 siblings, 0 replies; 6+ messages in thread From: jbglaw@lug-owl.de @ 2022-10-01 8:20 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81159 Jan-Benedict Glaw <jbglaw@lug-owl.de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jbglaw@lug-owl.de --- Comment #12 from Jan-Benedict Glaw <jbglaw@lug-owl.de> --- Just ftr: Building GDB with a recent GCC now breaks since GDB is testing -Wself-move in its unittests, but only covers the warning in case of clang. Found by my automated builders. I proposed a patch to fix that. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/81159] New warning idea: -Wself-move [not found] <bug-81159-4@http.gcc.gnu.org/bugzilla/> ` (4 preceding siblings ...) 2022-10-01 8:20 ` jbglaw@lug-owl.de @ 2022-11-28 22:40 ` pinskia at gcc dot gnu.org 5 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-11-28 22:40 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81159 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |13.0 ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-11-28 22:40 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-81159-4@http.gcc.gnu.org/bugzilla/>
2022-08-09 18:04 ` [Bug c++/81159] New warning idea: -Wself-move mpolacek at gcc dot gnu.org
2022-08-26 18:02 ` cvs-commit at gcc dot gnu.org
2022-08-26 18:03 ` mpolacek at gcc dot gnu.org
2022-08-26 18:05 ` simon.marchi at polymtl dot ca
2022-10-01 8:20 ` jbglaw@lug-owl.de
2022-11-28 22:40 ` pinskia at gcc dot gnu.org
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