* except.c (TYPE_HASH): Delete.

	* objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
	HOST_WIDE_INT.

	* tree.c (TYPE_HASH): Delete.

	* tree.h (TYPE_HASH): Define.

ch:
	* tree.c (TYPE_HASH): Moved to ../tree.h.

cp:
	* decl.c: Cast argument to size_t, not HOST_WIDE_INT, in calls to
	GNU_xref_start_scope and GNU_xref_end_scope.

	* tree.c (TYPE_HASH): Moved to ../tree.h.

From-SVN: r45004