[Bug c++/84151] [6 Regression] g++ generates two identical loads in a volatile-qualified member function.

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84151

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Feb 16 21:34:57 2018
New Revision: 257768

URL: https://gcc.gnu.org/viewcvs?rev=257768&root=gcc&view=rev
Log:
        PR c++/84151 - unnecessary volatile load with static member.

        * call.c (build_new_method_call_1): Avoid loading from a volatile
        lvalue used as the object argument for a static member function.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/tree-ssa/volatile1.C
Modified:
    branches/gcc-6-branch/gcc/cp/ChangeLog
    branches/gcc-6-branch/gcc/cp/call.c