* tree.c (free_lang_data_in_decl): Annotate all functio nbodies with
	DECL_FUNCTION_SPECIFIC_TARGET.
	* i386.c (ix86_set_current_function): Handle explicit default options.

	* lto.c (lto_read_decls): Do not rebuild DECL_FUNCTION_SPECIFIC_TARGET.

From-SVN: r217659