[Bug c++/67557] [4.9 Regression] Calling copy constructor of base class in constructor of derived class produces crashing code

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67557

--- Comment #20 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jan  8 16:02:10 2016
New Revision: 232171

URL: https://gcc.gnu.org/viewcvs?rev=232171&root=gcc&view=rev
Log:
        PR c++/68983

        PR c++/67557
        * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/g++.dg/init/elide4.C
Modified:
    branches/gcc-4_9-branch/gcc/cp/ChangeLog
    branches/gcc-4_9-branch/gcc/cp/call.c