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Subject: [Bug ipa/102762] [10/11 Regression] ICE with -O2: Segmentation
 fault, memcpy, copy_bb
Date: Mon, 08 Nov 2021 12:35:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102762

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:30c18bbfed2fae5ff89841172553951a74125f8e

commit r11-9226-g30c18bbfed2fae5ff89841172553951a74125f8e
Author: Richard Biener <rguenther@suse.de>
Date:   Fri Oct 15 08:41:57 2021 +0200

    ipa/102762 - fix ICE with invalid __builtin_va_arg_pack () use

    We have to be careful to not break the argument space calculation.
    If there's not enough arguments just do not append any.

    2021-10-15  Richard Biener  <rguenther@suse.de>

            PR ipa/102762
            * tree-inline.c (copy_bb): Avoid underflowing nargs.

            * gcc.dg/torture/pr102762.c: New testcase.

    (cherry picked from commit 11a4714860d2df6ba496d55379e7dc702d5fc425)=