cp-tree.h (lang_decl_flags): Add defined_in_class.

cp-tree.h (lang_decl_flags): Add defined_in_class.

	* cp-tree.h (lang_decl_flags): Add defined_in_class.  Decrease
	size of dummy.
	(DECL_DEFINED_IN_CLASS_P): New macro.
	(TEMPLATE_PARMS_FOR_INLINE): Document.
	(check_static_variable_definition): New function.
	* decl.c (cp_finish_decl): Set DECL_DEFINED_IN_CLASS_P, if
	appropriate.
	(check_static_variable_definition): Split out from ...
	(grokdeclarator): Here.
	* pt.c (check_default_tmpl_args): New function, split out from ...
	(push_template_decl_real): Here.
	(instantiate_template): Fix comment.

From-SVN: r23549