[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

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108970

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

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

commit r13-6386-g85203d52bfa4a84da5f50e0a242891308ffa8d83
Author: Richard Biener <rguent...@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.