var go/types.universeError

4 uses

	go/types (current package)
		call.go#L268: 				x2.typ = universeError
		check.go#L484: 	assert(isTyped(a[0]) && isTyped(a[1]) && (isBoolean(a[1]) || a[1] == universeError))
		universe.go#L28: 	universeError      Type
		universe.go#L242: 	universeError = Universe.Lookup("error").Type()