From pk-rakudo@kailasa.net

perl6 -v
This compiler is built with the Parrot Compiler Toolkit, parrot revision 46946.

# this works as expected

perl6 -e 'my @​a = 0, 1, 2; for @​a {$_++ if $_}; say @​a.perl'
[0, 2, 3]

# this fails

perl6 -e 'my @​a = 0, 1, 2; for @​a { if $_ { $_++ } }; say @​a.perl'
[0, 1, 2]

Thanks,
Prakash Kailasa

From @moritz

Works now in Rakudo, just needs a test.

The RT System itself - Status changed from 'new' to 'open'

From @zhuomingliang

test added, see Raku/roast@d8455c956e

From @kyleha

This has a test in S02-builtin_data_types/array.t, which passes.

@kyleha - Status changed from 'open' to 'resolved'