test/FixCode/Inputs/t1.swift - third_party/swift - Git at Google

 func foo1() {
 	class Base {}
 	class Derived : Base {}

 	var b : Base
 	b as Derived
 	undeclared_foo1
 }
	func foo1() {
	class Base {}
	class Derived : Base {}

	var b : Base
	b as Derived
	undeclared_foo1
	}