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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/102141] [12 Regression] ICE: with single
 element vector and the bswap pass at -O2 since r12-3072-gb320edc0c29c838b
Date: Tue, 31 Aug 2021 10:42:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102141

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gn=
u.org
             Status|NEW                         |ASSIGNED

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 51387
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D51387&action=3Dedit
gcc12-pr102141.patch

Untested fix.=