Add the arity to calls, and support noSuchMethodException.

frog/leg/ssa/builder.dart

Index: frog/leg/ssa/builder.dart
===================================================================
--- frog/leg/ssa/builder.dart	(revision 3496)
+++ frog/leg/ssa/builder.dart	(working copy)
@@ -528,10 +528,9 @@
     FunctionElement element = elements[node];
     ClassElement globalizedClosureElement =
         new ClassElement(const SourceString("Closure"), null);
-    String callName = compiler.namer.closureInvocationName();
     Modifiers modifiers = new Modifiers.empty();
     FunctionElement callElement =
-        new FunctionElement(new SourceString(callName),
+        new FunctionElement(const SourceString('\$call'),

[floitsch, 2012/01/24 11:46:03]

I would prefer keeping the '\$call' local to some place.
I chose the namer for it, but if you prefer another place I'm fine with it.
Maybe a static namer.CLOSURE_INVOCATION_NAME = const SourceString('\$call'); ?

[ngeoffray, 2012/01/24 12:09:39]

Done.

                             ElementKind.FUNCTION,
                             modifiers,
                             globalizedClosureElement,