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[Bug c/88239] ./gcc.dg/torture/pr84929.c with -O3 -march=native causes ubsan error
- From: "dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 28 Nov 2018 10:44:01 +0000
- Subject: [Bug c/88239] ./gcc.dg/torture/pr84929.c with -O3 -march=native causes ubsan error
- Auto-submitted: auto-generated
- References: <bug-88239-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88239
David Binderman <dcb314 at hotmail dot com> changed:
What |Removed |Added
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CC| |rakdver at gcc dot gnu.org
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
svn blame says
110965 rakdver idelta *= imult;
It might be time to add some code to deal with overflow of
user provided array index.