From @masak

<masak> rakudo​: my @​a = 0..1; @​a.delete(0); say @​a.perl
<p6eval> rakudo 02d0ed​: OUTPUT«Null PMC access in isa()␤in method
Any​::map [...]␤called from method List​::perl [...]
* masak submits rakudobug
<masak> rakudo​: my @​a = 0..1; @​a[0] = undef; say @​a.perl
<p6eval> rakudo 02d0ed​: OUTPUT«[undef, 1]␤»
<masak> my bet is that .delete does something naughty.

From @kyleha

This is an automatically generated mail to inform you that tests are now available in b/t/spec/S32-array/delete.t

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

From @masak

On Sat Jul 11 03​:58​:53 2009, masak wrote​:

<masak> rakudo​: my @​a = 0..1; @​a.delete(0); say @​a.perl
<p6eval> rakudo 02d0ed​: OUTPUT«Null PMC access in isa()␤in method
Any​::map [...]␤called from method List​::perl [...]
* masak submits rakudobug
<masak> rakudo​: my @​a = 0..1; @​a[0] = undef; say @​a.perl
<p6eval> rakudo 02d0ed​: OUTPUT«[undef, 1]␤»
<masak> my bet is that .delete does something naughty.

This now works​:

<masak> rakudo​: my @​a = 0..1; @​a.delete(0); say @​a.perl
<p6eval> rakudo d91717​: OUTPUT«[undef, 1]␤»
* masak closes ticket

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