# New Ticket Created by Wenzel Peppmeyer
# Please include the string: [perl #114402]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=114402 >
use v6;
use Grammar::Debugger;
grammar Foo { rule TOP { 'fail' } };
Foo.parse('asdfasdfasdf');
# Debugger stops as expected
TOP
> h<CR>
# but does not like us
Cannot assign into a PMCNULL container
in block at /home/dex/.perl6/lib/Grammar/Debugger.pm:74
in method intervene at /home/dex/.perl6/lib/Grammar/Debugger.pm:70
in block at /home/dex/.perl6/lib/Grammar/Debugger.pm:45
in method parse at src/gen/CORE.setting:9876
in block at grammar-fail.p6:6
