PR c++/85515

	PR c++/85515
	* cp-tree.h (enum cp_tree_index): Add
	CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
	(for_range__identifier, for_begin__identifier, for_end__identifier,
	for_range_identifier, for_begin_identifier, for_end_identifier):
	Define.
	* decl.c (initialize_predefined_identifiers): Initialize
	for_{range,begin,end}{,_}_identifier.
	* parser.c (build_range_temp): Use for_range__identifier instead of
	get_identifier ("__for_range").
	(cp_convert_range_for): Use for_begin__identifier and
	for_end__identifier instead of get_identifier ("__for_begin") and
	get_identifier ("__for_end").
	* semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
	local symbols to "__for_{range,begin,end}".

	* g++.dg/pr85515-2.C: Add expected dg-error.
	* g++.dg/cpp0x/range-for36.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@262975 138bc75d-0d04-0410-961f-82ee72b054a4