Make continuations last in CPS IR constructors.

pkg/compiler/lib/src/js_backend/codegen/unsugar.dart

Index: pkg/compiler/lib/src/js_backend/codegen/unsugar.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/unsugar.dart b/pkg/compiler/lib/src/js_backend/codegen/unsugar.dart
index 4a8ee1fee234ae4c64df3578ccdbc4b80f1e76b4..e37da432efca412775230f4c0547dd998df2b7e1 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/unsugar.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/unsugar.dart
@@ -69,7 +69,7 @@ class UnsugarVisitor extends RecursiveVisitor {
     // TODO(johnniwinther): Come up with an implementation of SourceInformation
     // for calls such as this one that don't appear in the original source.
     InvokeStatic invoke =
-        new InvokeStatic(function, selector, continuation, arguments, null);
+        new InvokeStatic(function, selector, arguments, continuation, null);
     _parentVisitor.processInvokeStatic(invoke);
 
     LetCont letCont = new LetCont(continuation, invoke);