[perl #66854] [TODO] Implement 'subset' declaration without where clause

[jn...@jnthn.net via RT]

On Mon Jun 22 06:38:06 2009, masak wrote:
> <masak> std: subset A of Int;
> <p6eval> std 27169: OUTPUT«ok 00:02 35m␤»
> <masak> rakudo: subset A of Int;
> <p6eval> rakudo 1b06df: OUTPUT«Statement not terminated properly at
> line 2 [...]
> * masak submits rakudobug

Now works in git 1831bd1. Unfudged the test from kyle++ that checks it
parses, and added a few others to ensure that it not only parses, but
also works. So, resolving this one now.

Thanks,

Jonathan