* gimple-fold.c (gimple_extract_devirt_binfo_from_cst): Use
	types_same_for_odr.
	* tree.c (decls_same_for_odr): New function.
	(same_for_edr): New function.
	(types_same_for_odr): New function.
	(get_binfo_at_offset): Use it.
	* tree.h (types_same_for_odr): Declare.

From-SVN: r200288