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Subject: [Bug target/99422] [11 Regression] ICE in extract_constrain_insn
 building glibc pthread_create
Date: Thu, 18 Mar 2021 19:59:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99422

--- Comment #31 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Vladimir Makarov <vmakarov@gcc.gnu.or=
g>:

https://gcc.gnu.org/g:a4670f58ebff805e35268542aac35f9791980954

commit r11-7725-ga4670f58ebff805e35268542aac35f9791980954
Author: Vladimir N. Makarov <vmakarov@redhat.com>
Date:   Thu Mar 18 15:58:26 2021 -0400

    [PR99422] LRA: Use lookup_constraint only for a single constraint in
process_address_1.

    This is an additional patch for PR99422.  In process_address_1 we
    look only at the first constraint in the 1st alternative
    and ignore all other possibilities.  As we don't know what
    alternative and constraint will be used at this stage, we can be sure
    only for a single constraint with one alternative and should use unknown
    constraint for all other cases.

    gcc/ChangeLog:

            PR target/99422
            * lra-constraints.c (process_address_1): Use lookup_constraint
            only for a single constraint.=