[perl #70003] Calling some methods on Match.orig causes NPA

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# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #70003]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=70003 >


15:37 <@moritz_> rakudo: 'a' ~~ /a/; say ($/.orig).rindex('a', 1)
15:37 <+p6eval> rakudo 49e62f: OUTPUT«Null PMC access in
find_method()␤in Main
                (file src/gen_setting.pm, line 295)␤»

Likely cause:

15:35 <@moritz_> rakudo: 'a' ~~ /a/; say $/.orig.PARROT
15:35 <+p6eval> rakudo 49e62f: OUTPUT«CodeString␤»