[Bug c++/69131] [4.9/5 Regression] default constructor of union incorrectly deleted

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69131

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Wed Jan 27 19:18:28 2016
New Revision: 232895

URL: https://gcc.gnu.org/viewcvs?rev=232895&root=gcc&view=rev
Log:
        PR c++/69131

        * method.c (walk_field_subobs): Add dtor_from_ctor parm.
        (process_subob_fn): Likewise.  Don't consider triviality if true.
        (synthesize_method_walk): Pass it.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/cpp0x/union7.C
Modified:
    branches/gcc-5-branch/gcc/cp/ChangeLog
    branches/gcc-5-branch/gcc/cp/method.c