[Bug c++/51675] [C++11][4.7 Regression] Cannot create constexpr unions

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51675

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> 2012-02-08 
09:52:23 UTC ---
Author: jason
Date: Wed Feb  8 09:52:19 2012
New Revision: 184001

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184001
Log:
    PR c++/51675
    * semantics.c (cx_check_missing_mem_inits): Handle unions.
    Fix constexpr default constructor logic.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-union3.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog