r179170 - in /branches/gcc-4_6-branch/gcc: cp/C...

[jason@gcc.gnu.org]

Author: jason
Date: Sun Sep 25 20:29:04 2011
New Revision: 179170

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179170
Log:
	Core 234 - allow const objects with no initializer or
	user-provided default constructor if the defaulted constructor
	initializes all the subobjects.
	PR c++/20039
	PR c++/42844
	* class.c (default_init_uninitialized_part): New.
	* cp-tree.h: Declare it.
	* decl.c (check_for_uninitialized_const_var): Use it.
	* init.c (perform_member_init): Likewise.
	(build_new_1): Likewise.
	* method.c (walk_field_subobs): Likewise.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/init/const8.C
Modified:
    branches/gcc-4_6-branch/gcc/cp/ChangeLog
    branches/gcc-4_6-branch/gcc/cp/class.c
    branches/gcc-4_6-branch/gcc/cp/cp-tree.h
    branches/gcc-4_6-branch/gcc/cp/decl.c
    branches/gcc-4_6-branch/gcc/cp/init.c
    branches/gcc-4_6-branch/gcc/cp/method.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/cpp0x/constexpr-object1.C
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/cpp0x/defaulted2.C
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/cpp0x/pr42844-2.C
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/init/pr42844.C
    branches/gcc-4_6-branch/gcc/testsuite/lib/prune.exp