Make .perl on a Parrot MultiSub not explode when we take .perl of a l…

…ist containing it (yes, this patch sucks some...plan to improve .perl a bit on routines soon, though, and this is better than exploding).

src/parrot/misc.pir

@@ -52,7 +52,7 @@ Note that we currently do this by adding the method to Parrot's
 .end
 
 
-# Twiddle MultiSub - at least one of these can go away when it stops inheriting
+# Twiddle MultiSub - at most of these can go away when it stops inheriting
 # from RPA.
 
 .namespace ['MultiSub']
@@ -61,6 +61,10 @@ Note that we currently do this by adding the method to Parrot's
     .return (self)
 .end
 
+.sub 'perl' :method
+    .return ('{ ... }')
+.end
+
 =item name
 
 Gets the name of the routine.