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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/99204] [8/9/10/11 Regression] ICE in
 fold_read_from_constant_string, at fold-const.c:15441
Date: Mon, 22 Feb 2021 18:58:21 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99204

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

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 50236
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D50236&action=3Dedit
gcc11-pr99204.patch

Untested fix.  This does what similar code in expand_expr_real_1 does.=