[Bug c++/78890] [5/6/7 Regression] ICE on invalid reference type in union

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78890

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Jan  5 21:12:02 2017
New Revision: 244112

URL: https://gcc.gnu.org/viewcvs?rev=244112&root=gcc&view=rev
Log:
        PR c++/78890
        * class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
        unions even for C++11 and later.

        * g++.dg/init/ref14.C: Expect error even in C++11 and later.
        * g++.dg/init/union1.C: Likewise.
        * g++.dg/cpp0x/union6.C: Expect errors.
        * g++.dg/cpp0x/union8.C: New test.
        * g++.dg/cpp0x/pr78890-1.C: New test.
        * g++.dg/cpp0x/pr78890-2.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/pr78890-1.C
    trunk/gcc/testsuite/g++.dg/cpp0x/pr78890-2.C
    trunk/gcc/testsuite/g++.dg/cpp0x/union8.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/class.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/cpp0x/union6.C
    trunk/gcc/testsuite/g++.dg/init/ref14.C
    trunk/gcc/testsuite/g++.dg/init/union1.C