[Bug tree-optimization/97897] ICE tree check: expected ssa_name, have integer_cst in compute_optimized_partition_bases, at tree-ssa-coalesce.c:1638

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97897

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Richard Biener
<rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:9272936ac5fac472a3690145572afa6ed19eaa8e

commit r10-9405-g9272936ac5fac472a3690145572afa6ed19eaa8e
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Nov 19 09:06:50 2020 +0100

    tree-optimization/97897 - complex lowering on abnormal edges

    This fixes complex lowering to not put constants into abnormal
    edge PHI values by making sure abnormally used SSA names are
    VARYING in its propagation lattice.

    2020-11-19  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/97897
            * tree-complex.c (complex_propagate::visit_stmt): Make sure
            abnormally used SSA names are VARYING.
            (complex_propagate::visit_phi): Likewise.

            * gcc.dg/pr97897.c: New testcase.