* cgraphbuild.c (record_reference): Update.
	* lto-cgraph.c (lto_output_varpool_node): External vars
	are not in other partition even if they are not output
	in current partition.
	* gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
	argument; fix.
	(canonicalize_constructor_val): Take FROM_DECL argument.
	(fold_ctor_reference, fold_string_cst_ctor_reference,
	fold_array_ctor_reference, fold_nonarray_ctor_reference,
	fold_ctor_reference): Likewise.
	(fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
	* gimple.h (gimple_fold_builtin): Likewise.

From-SVN: r187678