[Bug tree-optimization/86514] [8/9 regression] wrong manipulation of 2-dimensional packed array at -O

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86514

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Mon Jul 16 08:59:09 2018
New Revision: 262684

URL: https://gcc.gnu.org/viewcvs?rev=262684&root=gcc&view=rev
Log:
        PR tree-optimization/86514
        * tree-ssa-reassoc.c (init_range_entry) <CASE_CONVERT>: Return for a
        conversion to a boolean type from a type with greater precision.

Added:
    trunk/gcc/testsuite/gnat.dg/opt73.adb
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-reassoc.c