[Bug c/86617] [6/7/8 Regression] Volatile qualifier is ignored sometimes for unsigned char

[edlinger at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86617

--- Comment #9 from Bernd Edlinger <edlinger at gcc dot gnu.org> ---
Author: edlinger
Date: Sun Jul 29 16:44:24 2018
New Revision: 263055

URL: https://gcc.gnu.org/viewcvs?rev=263055&root=gcc&view=rev
Log:
gcc:
2018-07-29  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        Backport from mainline
        2018-07-23  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR c/86617
        * genmatch.c (dt_operand::gen_match_op): Avoid folding volatile values.

testsuite:
2018-07-29  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        Backport from mainline
        2018-07-23  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR c/86617
        * gcc.dg/pr86617.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/pr86617.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/genmatch.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog