[Bug c++/81169] [8 Regression] gcc 8.0dev -Wclass-memaccess illegitimate warning related to volatile

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81169

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Mon Jun 26 17:19:15 2017
New Revision: 249660

URL: https://gcc.gnu.org/viewcvs?rev=249660&root=gcc&view=rev
Log:
PR c++/81169 - -Wclass-memaccess illegitimate warning related to volatile

gcc/cp/ChangeLog:

        PR c++/81169
        * call.c (maybe_warn_class_memaccess): Preserve explicit conversions
        to detect casting away cv-qualifiers.

gcc/testsuite/ChangeLog:

        PR c++/81169
        * g++.dg/Wclass-memaccess-2.C: New test.


Added:
    trunk/gcc/testsuite/g++.dg/Wclass-memaccess-2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/testsuite/ChangeLog