[Bug tree-optimization/103204] [11 Regression] ICE: in vn_reference_insert_pieces, at tree-ssa-sccvn.c:3842 (on -O2 and above) since r12-1295-g7a56d3d3e99cc77a

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103204

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

https://gcc.gnu.org/g:5571c2719269687ad518d5aadf248a7500f11f85

commit r11-9260-g5571c2719269687ad518d5aadf248a7500f11f85
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Nov 12 09:09:29 2021 +0100

    tree-optimization/103204 - fix missed valueization in VN

    The following fixes a missed valueization when simplifying
    a MEM[&...] combination during valueization.

    2021-11-12  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/103204
            * tree-ssa-sccvn.c (valueize_refs_1): Re-valueize the
            top operand after folding in an address.

            * gcc.dg/torture/pr103204.c: New testcase.

    (cherry picked from commit 140346fa246dc2476c5c2bf2ecadebd18a3af5d0)