Thanks for the report. This is now fixed.
Fix:
https://github.com/MoarVM/MoarVM/commit/362277b79f
https://github.com/perl6/nqp/commit/9763728215
https://github.com/rakudo/rakudo/commit/66e8e72c02
https://github.com/rakudo/rakudo/commit/ef29bb9f41
Tests:
https://github.com/perl6/roast/commit/02d1f9d0f6
https://github.com/rakudo/rakudo/commit/6409ee582e
