re PR c++/66583 (incorrect implicitly-defined move constructor for class with anonymous union and NSDMI)

	PR c++/66583

	* init.c (innermost_aggr_scope): New.
	(build_field_list): Change uses_unions_p to uses_unions_or_anon_p.
	(sort_mem_initializers): Handle initializers for entire anonymous
	aggregates.

From-SVN: r229108