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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/105532] [11/12 Regression] UBSAN:
 gcc/hwint.h:293:61: runtime error: shift exponent 64 is too large for 64-bit
 type 'long unsigned int'
Date: Wed, 21 Dec 2022 18:34:45 +0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
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X-Bugzilla-Keywords: ice-on-valid-code, patch
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105532

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[11/12/13 Regression]       |[11/12 Regression] UBSAN:
                   |UBSAN: gcc/hwint.h:293:61:  |gcc/hwint.h:293:61: runtime
                   |runtime error: shift        |error: shift exponent 64 is
                   |exponent 64 is too large    |too large for 64-bit type
                   |for 64-bit type 'long       |'long unsigned int'
                   |unsigned int'               |
      Known to fail|13.0                        |
      Known to work|                            |13.0

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed at least for GCC 13 (trunk). Still open for backporting.=