[perl #62504] Rakudo segfault on multi type mismatch

# New Ticket Created by  I Sop 
# Please include the string:  [perl #62504]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=62504 >


Following perl6 code segfaults:

multi foo($x where { $x == 5 }) { say 'yum' }
foo 8;