c-family/
	* c-common.c (c_common_reswords): Add thread_local.
cp/
	* decl.c (cp_finish_decl): Remove errors about non-trivial
	initialization and destruction of TLS variables.
	(register_dtor_fn): Add sorry about TLS variables.
	(expand_static_init): Add sorry about non-local TLS variables,
	or error with __thread.
	Don't emit thread-safety guards for local TLS variables.
	(grokdeclarator): thread_local in a function implies static.
	* decl.h: Adjust prototype.
	* decl2.c (get_guard): Copy DECL_TLS_MODEL.
	* parser.c (cp_parser_set_storage_class, cp_parser_set_decl_spec_type)
	(set_and_check_decl_spec_loc): Take the token rather than the location.
	Distinguish between __thread and thread_local.
	(cp_parser_set_storage_class): Don't complain about thread_local before
	extern/static.
	(token_is__thread): New.
	* call.c (make_temporary_var_for_ref_to_temp): Handle TLS.
	* cp-tree.h (DECL_GNU_TLS_P): New.
	(cp_decl_specifier_seq): Add gnu_thread_keyword_p.

From-SVN: r192209