test/IRGen/Inputs/vtable_multi_file_helper.swift - third_party/swift - Git at Google

 class EmptyBase {}
 class Subclass : EmptyBase {
   class var classProp: String { return "abc" }
 }
	class EmptyBase {}
	class Subclass : EmptyBase {
	class var classProp: String { return "abc" }
	}