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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/63303] Pointer subtraction is broken when using -fsanitize=undefined
Date: Fri, 19 Sep 2014 07:26:00 -0000 [thread overview]
Message-ID: <bug-63303-4-xpUbSNMjsW@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-63303-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63303
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Your testcase is definitely not valid C, you can't perform pointer arithmetics
in between pointers that don't point into the same array or one past the last
element in the array.
next prev parent reply other threads:[~2014-09-19 7:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 1:42 [Bug c/63303] New: " mikulas at artax dot karlin.mff.cuni.cz
2014-09-19 7:26 ` jakub at gcc dot gnu.org [this message]
2014-09-19 13:38 ` [Bug c/63303] " mikulas at artax dot karlin.mff.cuni.cz
2014-09-19 13:47 ` jakub at gcc dot gnu.org
2014-09-19 15:50 ` mikulas at artax dot karlin.mff.cuni.cz
2014-09-19 15:57 ` jakub at gcc dot gnu.org
2014-09-19 16:15 ` mikulas at artax dot karlin.mff.cuni.cz
2014-09-19 16:21 ` joseph at codesourcery dot com
2014-09-19 16:22 ` jakub at gcc dot gnu.org
2014-09-19 16:29 ` mikulas at artax dot karlin.mff.cuni.cz
2014-09-22 7:42 ` rguenth at gcc dot gnu.org
2014-09-22 14:31 ` mikulas at artax dot karlin.mff.cuni.cz
2015-10-19 11:03 ` rguenth at gcc dot gnu.org
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