Named catch-all route warns if `pathMatch` is empty

[posva]

Version

3.1.3

Reproduction link

http://jsfiddle.net/yza5k02v/

Steps to reproduce

• click on /nope
• click on button

What is expected?

no warn

What is actually happening?

there is a warn

---

maybe the param should be marked as optional to prevent this warning from ever happening

[yinm]

Can I work on this?

[kazupon]

@yinm
You can contribute to it!