bind.pir compile error

The Error (invoked during make):

/home/lue/rakudo/parrot_install/bin/parrot  perl6.pbc  --target=pir --output=Test.pir Test.pm
Method 'set_candidates' not found for invocant of class 'MultiSub'
current instr.: '' pc 306226 (src/gen/perl6-actions.pir:20664) (CORE.setting:0)
called from Sub 'perl6;Perl6;Compiler;main' pc 290826 (src/gen/perl6-actions.pir:15425)
... call repeated 1 times
make: *** [Test.pir] Error 1


The file, builtins/bind.pir (Not part of rakudo (yet))

=head1 NAME

src/builtins/bind.pir -- binding operators

=cut

.namespace []
.sub '&infix:<:=>' :multi(_,_)
    .param pmc target
    .param pmc source

  target_loop:
    # If it isn't rw, then die!
    .local pmc rw
    rw = getprop 'rw', target
    unless null rw goto canwrite
    '&die'('Cannot bind to readonly value')
  canwrite:
    $P0 = getprop 'scalar', target
    unless null $P0 goto scalar_store
    $I0 = can target, '!STORE'
    if $I0 goto cont_store

    #in case of legacy code
    $I0 = isa target, ['ObjectRef']
    unless $I0 goto cont_store
    setprop target, 'scalar', target

  scalar_store:
    #typecheck!
    .local pmc type
    type = getprop 'type', target
    if null type goto type_ok
    $P0 = type.'ACCEPTS'(source)
    if $P0 goto type_ok
    '&die'('The type check has failed.')

  cont_store:
    '&die'('Container binding NYI.')
  
  type_ok:
    #Let's bind!
    $P0 = new ['ObjectRef'], source
    copy target, $P0
    .return (target)
.end