* cpphash.h (cpp_macro): Move here, and make expansion a union.

	* cppmacro.c (cpp_macro): Remove.
	(enter_macro_context, replace_args, warn_of_redefinition,
	_cpp_create_definition, cpp_macro_definition): Update.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53509 138bc75d-0d04-0410-961f-82ee72b054a4