[perl #67714] Null PMC Access during error reporting

[via RT]

# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #67714]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=67714 >


14:14 <@moritz_> rakudo: class A { has Int where { $_ < 0 } $.x }; 
A.new(x =>
                  42)
14:14 < p6eval> rakudo 415514: OUTPUT«Malformed declaration at line 2, near
                 "Int where "␤Null PMC access in get_pmc_keyed()␤current 
instr.:
                 'perl6;Perl6;Compiler;eval' pc 289725
                 (src/gen_actions.pir:24150) (src/gen_setting.pm:3340)␤»
14:14 < masak> whoa.
14:15 < masak> moritz_: submit!
14:15 < masak> seems like a Null PMC Access during error reporting.

Cheers,
Moritz