[Bug tree-optimization/98464] [11 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in tree_nop_conversion_p, at tree.c:12825 by r11-4637

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98464

--- Comment #6 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:39bd65faee3bafe2dc067e5fedb5079896551a8a

commit r11-6442-g39bd65faee3bafe2dc067e5fedb5079896551a8a
Author: Richard Biener <rguenther@suse.de>
Date:   Mon Jan 4 13:02:24 2021 +0100

    tree-optimization/98464 - replace loop info with avail at uses

    This does VN replacement in loop nb_iterations consistent with
    the rest of the IL by using availability at the definition site
    of uses.

    2021-01-04  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/98464
            * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
            (vn_valueize_wrapper): ... this.  Temporarily adjust vn_context_bb.
            (process_bb): Adjust.

            * g++.dg/opt/pr98464.C: New testcase.