* mangle.c (NESTED_TEMPLATE_MATCH): Fix typo in comment.
	(is_std_substitution): Don't check CLASSTYPE_USE_TEMPLATE here.
	(find_substitution): Only use the `Sa' substitution for
	std::allocator, not instantiations of it.
	(write_template_prefix): Move comment.  Only use a TREE_LIST to
	represent substitutions for a member template.
	(write_array_type): Mangle array dimensions correctly.
	* optimize.c (maybe_clone_body): Copy more information from the
	cloned function.
	* pt.c (regenerate_decl_from_template): Preserve DECL_USE_TEMPLATE
	on the regenerated declaration.

From-SVN: r34497