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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug other/94629] 10 issues located by the PVS-studio static analyzer
Date: Fri, 17 Apr 2020 10:09:07 +0000 [thread overview]
Message-ID: <bug-94629-4-J9y65I2PVa@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-94629-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94629
David Binderman <dcb314 at hotmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dcb314 at hotmail dot com
--- Comment #6 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to Jakub Jelinek from comment #5)
> We should for GCC11 discuss if we want to implement some of these checks,
> either in -fanalyzer, or as normal GCC warnings.
> E.g. the
> foo = something;
> // code that can't affect foo
> foo = somethingelse;
> is perhaps something that should be warned as early as possible after
> getting into GIMPLE, before inlining because it is quite common that inlines
> overwrite something, and in the FEs it is likely too early.
A quick look at recent cppcheck output over the gcc trunk source code
suggests that there are 162 cases of redundant assignment like this.
Some of them might well be false positives.
next prev parent reply other threads:[~2020-04-17 10:09 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 22:58 [Bug other/94629] New: " leo at yuriev dot ru
2020-04-17 6:32 ` [Bug other/94629] " marxin at gcc dot gnu.org
2020-04-17 7:13 ` rguenth at gcc dot gnu.org
2020-04-17 7:22 ` rguenth at gcc dot gnu.org
2020-04-17 7:25 ` rguenth at gcc dot gnu.org
2020-04-17 8:39 ` cvs-commit at gcc dot gnu.org
2020-04-17 9:14 ` jakub at gcc dot gnu.org
2020-04-17 10:09 ` dcb314 at hotmail dot com [this message]
2020-04-17 10:13 ` jakub at gcc dot gnu.org
2020-04-17 10:18 ` dcb314 at hotmail dot com
2020-04-17 10:31 ` jakub at gcc dot gnu.org
2020-04-17 11:00 ` jakub at gcc dot gnu.org
2020-04-17 12:08 ` ams at gcc dot gnu.org
2020-04-17 12:13 ` jakub at gcc dot gnu.org
2020-04-17 15:02 ` cvs-commit at gcc dot gnu.org
2020-04-17 15:10 ` dcb314 at hotmail dot com
2020-04-17 22:13 ` msebor at gcc dot gnu.org
2020-04-19 20:06 ` cvs-commit at gcc dot gnu.org
2020-04-19 20:07 ` redi at gcc dot gnu.org
2020-04-20 9:56 ` marxin at gcc dot gnu.org
2020-04-20 13:22 ` leo at yuriev dot ru
2020-04-20 19:31 ` tschwinge at gcc dot gnu.org
2020-04-21 13:17 ` cvs-commit at gcc dot gnu.org
2020-04-23 14:05 ` cvs-commit at gcc dot gnu.org
2020-04-23 14:13 ` ams at gcc dot gnu.org
2020-05-08 20:09 ` leo at yuriev dot ru
2020-05-11 7:19 ` marxin at gcc dot gnu.org
2024-01-17 21:19 ` jamborm at gcc dot gnu.org
2024-01-20 17:16 ` pinskia at gcc dot gnu.org
2024-01-20 20:27 ` dcb314 at hotmail dot com
2024-01-20 20:45 ` jamborm at gcc dot gnu.org
2024-01-21 8:12 ` dcb314 at hotmail dot com
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