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[Bug tree-optimization/85822] [8/9 Regression] Maybe wrong code in VRP since r249150


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85822

--- Comment #11 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed May 23 08:27:14 2018
New Revision: 260568

URL: https://gcc.gnu.org/viewcvs?rev=260568&root=gcc&view=rev
Log:
Subject: Backport r260566

2018-05-23  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2018-05-23  Yury Gribov  <tetra2005@gmail.com>

        PR tree-optimization/85822
        * tree-vrp.c (is_masked_range_test): Fix handling of negative
        constants.
2018-05-23  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2018-05-23  Yury Gribov  <tetra2005@gmail.com>

        PR tree-optimization/85822
        * c-c++-common/pr85822.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/c-c++-common/pr85822.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-vrp.c

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