The following program fails with the panic: ``` go package main import "regexp" func main() { re := regexp.MustCompile("^") prefix, complete := re.LiteralPrefix() if !complete && re.MatchString(prefix) { panic("bad") } } ``` If complete is false, Match must fail. go version devel +b0532a9 Mon Jun 8 05:13:15 2015 +0000 linux/amd64