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[Bug binutils/26467] UBSAN error: gas/cgen.c:762:32:

From: cvs-commit at gcc dot gnu.org
Subject: [Bug binutils/26467] UBSAN error: gas/cgen.c:762:32:
Date: Thu, 27 Aug 2020 12:36:28 +0000


--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:


commit 6fbd4a8e8baa7fe5adcaa1c11c885f741fccd250
Author: Alan Modra <amodra@gmail.com>
Date:   Thu Aug 27 13:46:45 2020 +0930

    PR26467 UBSAN: cgen.c:762 shift exponent 18446744073709551615

            PR 26467
            * cgen.c (weak_operand_overflow_check): Handle opmask for
            operand length zero.  Use 1UL constant.

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