[perl #130798] A andthen B orelse C orelse D leaks some internal Block

[Christian Bartolomaeus via RT]

On Fri, 17 Feb 2017 12:41:12 -0800, david.warring wrote:
> 09:38] <dwarring> r: my $r := do 42 with Nil; say $r.perl;
> [09:38] <+camelia> rakudo-moar a162c4: OUTPUT«Empty␤»
> [09:38] <+camelia> ..rakudo-jvm fb4f16: OUTPUT«slip()␤»

Just a short comment on this: Camelia runs on an older commit (fb4f16 is from 
2017-01-03). On HEAD r-j returns 'Empty' as well:

$ ./perl6-j 'my $r := do 42 with Nil; say $r.perl;'
Empty

$ ./perl6-j --version
This is Rakudo version 2017.01-223-gffae3ff built on JVM
implementing Perl 6.c.