[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 #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Mon Jul 16 09:02:03 2018
New Revision: 262685

URL: https://gcc.gnu.org/viewcvs?rev=262685&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:
    branches/gcc-8-branch/gcc/testsuite/gnat.dg/opt73.adb
      - copied unchanged from r262684, trunk/gcc/testsuite/gnat.dg/opt73.adb
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-ssa-reassoc.c