[Bug tree-optimization/102608] [12 regression] Recent change to VN causes bogus Wuninitialized warnings & kernel build failures

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102608

--- Comment #3 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:1ebf2c14c60f5f37c00bea66aba46c25d4bcf473

commit r12-4225-g1ebf2c14c60f5f37c00bea66aba46c25d4bcf473
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Oct 7 14:24:03 2021 +0200

    tree-optimization/102608 - avoid CSEing .DEFERRED_INIT

    This makes VN not CSE .DEFERRED_INIT which confuses uninit
    analysis which reports the wrong decl when facing copies
    of not initialized data.

    2021-10-07  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/102608
            * tree-ssa-sccvn.c (visit_stmt): Drop .DEFERRED_INIT to
            varying.