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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with
 multiple and shifts producing 0 at -O2/s/3
Date: Fri, 13 Jan 2023 09:48:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108387

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:adbee4a197c7b735a3dd58cfac8933f70069f71d

commit r13-5136-gadbee4a197c7b735a3dd58cfac8933f70069f71d
Author: Richard Biener <rguenther@suse.de>
Date:   Fri Jan 13 08:37:24 2023 +0100

    tree-optimization/108387 - ICE with VN handling of x << C as x * (1<<C)

    The following fixes unexpected simplification of x << C as
    x * (1<<C) to a constant.

            PR tree-optimization/108387
            * tree-ssa-sccvn.cc (visit_nary_op): Check for SSA_NAME
            value before inserting expression into the tables.

            * gcc.dg/pr108387.c: New testcase.=