From @gfldex

... a undefined default value of a class that does a role.

role R {
  our $.r; # this is required
# my $.r; # this would trigger the bug too
}

class C does R {
  our $.c = LolImUndefined;
}

From @masak

On Thu Aug 02 08​:42​:40 2012, gfldex wrote​:

... a undefined default value of a class that does a role.

role R {
our $.r; # this is required
# my $.r; # this would trigger the bug too
}

class C does R {
our $.c = LolImUndefined;
}

Nice find.

We can even make this a bit shorter​:

<masak> nr​: role R { our $.r }; class C does R {}; say "alive"
<p6eval> rakudo d71ad1​: OUTPUT«(signal SEGV)»
<p6eval> ..niecza v19-15-g051783d​: OUTPUT«alive␤»
* masak adds this to https://rt-archive.perl.org/perl6/Ticket/Display.html?
id=114380

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

From @jnthn

On Thu Aug 02 14​:43​:08 2012, masak wrote​:

On Thu Aug 02 08​:42​:40 2012, gfldex wrote​:

... a undefined default value of a class that does a role.

role R {
our $.r; # this is required
# my $.r; # this would trigger the bug too
}

class C does R {
our $.c = LolImUndefined;
}

Nice find.

We can even make this a bit shorter​:

<masak> nr​: role R { our $.r }; class C does R {}; say "alive"
<p6eval> rakudo d71ad1​: OUTPUT«(signal SEGV)»
<p6eval> ..niecza v19-15-g051783d​: OUTPUT«alive␤»
* masak adds this to https://rt-archive.perl.org/perl6/Ticket/Display.html?
id=114380

Fixed; tagging testneeded.

/jnthn

From @moritz

Now tested in S14-roles/basic.t

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