re PR c++/48930 ([C++0x] Invalid implicitly declared default c'tor)

re PR c++/48930 ([C++0x] Invalid implicitly declared default c'tor)

	PR c++/48930
	* class.c (type_build_ctor_call): New.
	* cp-tree.h: Declare it.
	* decl.c (check_initializer): Use it instead of
	TYPE_NEEDS_CONSTRUCTING.
	* init.c (build_value_init, build_value_init_noctor): Likewise.
	(perform_member_init, expand_aggr_init_1, build_new_1): Likewise.
	(build_vec_init): Likewise.
	* typeck2.c (process_init_constructor_array): Likewise.
	(process_init_constructor_record): Likewise.

From-SVN: r173628