[Bug tree-optimization/90576] [10 regression] SPEC CPU2006 450.soplex miscompiled with -Os -flto after r271413

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90576

--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Thu May 23 16:07:07 2019
New Revision: 271572

URL: https://gcc.gnu.org/viewcvs?rev=271572&root=gcc&view=rev
Log:
        PR tree-optimization/90576
        * tree-ssa-alias.c (compare_sizes): Remove dead calls to
        poly_int_tree_p.
        (aliasing_component_refs_p): Fix three way size compare conditional;
        give up earlier in case we can not decide on equivalence.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-alias.c