[Bug c++/77945] GCC generates invalid constexpr copy/move assignment operators for types with trailing padding.

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77945

--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Sat Oct 15 21:25:55 2016
New Revision: 241204

URL: https://gcc.gnu.org/viewcvs?rev=241204&root=gcc&view=rev
Log:
        PR c++/77945 - constexpr and trivial copy

        * constexpr.c (maybe_simplify_trivial_copy): New.
        (cxx_eval_store_expression): Call it.
        * call.c (build_over_call): Use unsigned char for trivial copy.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-trivial2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/cp/constexpr.c