=== tests/cases/conformance/expressions/typeGuards/TypeGuardWithArrayUnion.ts ===
class Message {
>Message : Symbol(Message, Decl(TypeGuardWithArrayUnion.ts, 0, 0))

    value: string;
>value : Symbol(value, Decl(TypeGuardWithArrayUnion.ts, 0, 15))
}

function saySize(message: Message | Message[]) {
>saySize : Symbol(saySize, Decl(TypeGuardWithArrayUnion.ts, 2, 1))
>message : Symbol(message, Decl(TypeGuardWithArrayUnion.ts, 4, 17))
>Message : Symbol(Message, Decl(TypeGuardWithArrayUnion.ts, 0, 0))
>Message : Symbol(Message, Decl(TypeGuardWithArrayUnion.ts, 0, 0))

    if (message instanceof Array) {
>message : Symbol(message, Decl(TypeGuardWithArrayUnion.ts, 4, 17))
>Array : Symbol(Array, Decl(lib.d.ts, 1000, 23), Decl(lib.d.ts, 1171, 11))

        return message.length;  // Should have type Message[] here
>message.length : Symbol(Array.length, Decl(lib.d.ts, 1007, 20))
>message : Symbol(message, Decl(TypeGuardWithArrayUnion.ts, 4, 17))
>length : Symbol(Array.length, Decl(lib.d.ts, 1007, 20))
    }
}