[Bug tree-optimization/96760] [11 Regression] Faulty optimization in nested loops with -O2 since r11-2574-g6aec53ee4f75a64c

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96760

--- Comment #6 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:660b5c10dc04988b02a2c3f6baed013340af3ef8

commit r11-2841-g660b5c10dc04988b02a2c3f6baed013340af3ef8
Author: Richard Biener <rguent...@suse.de>
Date:   Tue Aug 25 10:59:24 2020 +0200

    tree-optimization/96548 - fix failure to recompute RPO after CFG change

    This recomputes RPO after store-motion changes the CFG.

    2020-08-25  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/96548
            PR tree-optimization/96760
            * tree-ssa-loop-im.c (tree_ssa_lim): Recompute RPO after
            store-motion.

            * gcc.dg/torture/pr96548.c: New testcase.
            * gcc.dg/torture/pr96760.c: Likewise.