From @moritz

<moritz> r​: role Foo[$x] { }; Foo[42].WHO.^name
<camelia> rakudo-parrot d45c53​: OUTPUT«Can only use get_how on a
SixModelObject␤ in block <unit> at /tmp/tmpfile​:1␤␤»
<camelia> ..rakudo-moar d45c53​: OUTPUT«(signal SEGV)»

From @jnthn

On Tue Dec 23 07​:11​:55 2014, moritz.lenz@​gmail.com wrote​:

<moritz> r​: role Foo[$x] { }; Foo[42].WHO.^name
<camelia> rakudo-parrot d45c53​: OUTPUT«Can only use get_how on a
SixModelObject␤ in block <unit> at /tmp/tmpfile​:1␤␤»
<camelia> ..rakudo-moar d45c53​: OUTPUT«(signal SEGV)»

The SEGV is now gone in MoarVM HEAD, but the lack of a sensible .WHO to return still needs resolving.

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

From @FROGGS

The behaviour has changed, and I am wondering what the desired behaviour is​:

m​: role Foo[$x] { }; say Foo[42].WHO.^name
rakudo-moar 730db2​: OUTPUT«VMNull␤»