[perl #125021] [JVM] Failing test in S05-modifier/perl5_5.t for regex with lazy quantifier on alternation

[Christian Bartolomaeus via RT]

This works now on the JVM backend as well. I've unfudged the old tests and 've 
added one test with a P6 regex to S05-metasyntax/regex.t with commit 
https://github.com/perl6/roast/commit/ae57169b24

I'm closing this ticket as 'resolved'.