[Bug tree-optimization/96491] [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96491

--- Comment #2 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:89b84cd794f984038984c10b03c3b0ab582f49cc

commit r11-2591-g89b84cd794f984038984c10b03c3b0ab582f49cc
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Aug 6 12:18:24 2020 +0200

    tree-optimization/96491 - avoid store commoning across abnormal edges

    This avoids store commoning across abnormal edges since that easily
    can disrupt abnormal coalescing because it might create overlapping
    lifetime of variables.

    2020-08-06  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/96491
            * tree-ssa-sink.c (sink_common_stores_to_bb): Avoid
            sinking across abnormal edges.

            * gcc.dg/torture/pr96491.c: New testcase.