Test `if` with slurpies on its block
Test `if` with slurpies on its block

RT#105872: https://rt.perl.org/Ticket/Display.html?id=105872

Rakudo fix: https://github.com/perl6/nqp/commit/8e7201eb64
            https://github.com/rakudo/rakudo/commit/dfb6d951d7
            https://github.com/rakudo/rakudo/commit/ef1d22f4c1

dogbert17/roast,dogbert17/roast,perl6/roast