plugins/power-assert/testData/codegen/lambda/AnonymousObject.kt - third_party/github/JetBrains/kotlin - Git at Google

 fun box() = expectThrowableMessage {
     assert(object { override fun toString() = "ANONYMOUS" }.toString() == "toString()")
 }
	fun box() = expectThrowableMessage {
	assert(object { override fun toString() = "ANONYMOUS" }.toString() == "toString()")
	}