[perl #77564] * quantifier after block in regexp executes it infinite amount of times

[Tobias Leich via RT]

Patches:
https://github.com/perl6/nqp/commit/41ab646099
https://github.com/rakudo/rakudo/commit/de4b2b3a87

Tests:
https://github.com/perl6/roast/commit/95ee3272ab

Closing ticket.