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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/108970] [13 Regression] ICE in
 vect_do_peeling, at tree-vect-loop-manip.cc:2971, or ICE in dump_printf_loc,
 at dumpfile.cc:1359
Date: Wed, 01 Mar 2023 09:10:10 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108970

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:85203d52bfa4a84da5f50e0a242891308ffa8d83

commit r13-6386-g85203d52bfa4a84da5f50e0a242891308ffa8d83
Author: Richard Biener <rguenther@suse.de>
Date:   Wed Mar 1 09:10:19 2023 +0100

    tree-optimization/108970 - ICE with vectorizer peeling

    The function slpeel_can_duplicate_loop_p fails to verify we can
    copy blocks, instead slpeel_tree_duplicate_loop_to_edge_cfg does
    but that's too late.  The following fixes this, also simplifying
    error reporting which is somewhat pointless if we ICE immediately.

            PR tree-optimization/108970
            * tree-vect-loop-manip.cc (slpeel_can_duplicate_loop_p):
            Check we can copy the BBs.
            (slpeel_tree_duplicate_loop_to_edge_cfg): Avoid redundant
            check.
            (vect_do_peeling): Streamline error handling.

            * gcc.dg/pr108970.c: New testcase.=