[Bug tree-optimization/97725] [11 Regression] ICE at -Os and above: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 since r11-4724-ge86fd6a17cdb2671

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97725

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andrew Macleod <amacl...@gcc.gnu.org>:

https://gcc.gnu.org/g:22984f3f090921b5ac80ec0057f6754ec458e97e

commit r11-4755-g22984f3f090921b5ac80ec0057f6754ec458e97e
Author: Andrew MacLeod <amacl...@redhat.com>
Date:   Thu Nov 5 13:59:45 2020 -0500

    Pass multi-range from range_query::value_*  routines

    fix range-ops equal/not_equal to not reuse the result range as
intermediary.
    value_query::value routines should pasa multi-range in as some other
rangeop
    routines build into this result, so we may need better precision.

            gcc/
            PR tree-optimization/97725
            * range-op.cc (operator_equal::fold_range): Use new tmp value.
            (operator_not_equal::fold_range): Ditto.
            * value-query.cc (range_query::value_of_expr): Use int_range_max
            not a value_range.
            (range_query::value_on_edge): Ditto.
            (range_query::value_of_stmt): Ditto.
            gcc/testsuite/
            * gcc.dg/pr97725.c: New.