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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug analyzer/114408] [13/14 Regression] ICE when invoking strcmp
 multiple times with -fsanitize=undefined -O1 -fanalyzer -flto
Date: Fri, 22 Mar 2024 16:52:34 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
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X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: ice-on-valid-code, link-failure, lto, rejects-valid
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X-Bugzilla-Who: jakub at gcc dot gnu.org
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X-Bugzilla-Assigned-To: dmalcolm at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114408

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to David Malcolm from comment #2)
> However I'm having trouble writing a regression test for this, with the
> combination of ubsan and lto: I get:
>=20
> output is /usr/bin/ld: cannot find -lubsan
> collect2: error: ld returned 1 exit status

The test would need to go into gcc.dg/ubsan/ directory (or g++.dg/ubsan/ for
C++), that is where the *.exp files arrange for -lubsan to be found.
The test would of course then need to use analyzer effective target in it a=
nd
add whatever dg-options are needed.=