Add Closure call method to created closure class

pkg/compiler/lib/src/js_model/locals.dart

Index: pkg/compiler/lib/src/js_model/locals.dart
diff --git a/pkg/compiler/lib/src/js_model/locals.dart b/pkg/compiler/lib/src/js_model/locals.dart
index 9b714b26ef37564a68b568338f0c49a2912dd17d..cae0cb7339b50ac418c18a2a305efacba1654413 100644
--- a/pkg/compiler/lib/src/js_model/locals.dart
+++ b/pkg/compiler/lib/src/js_model/locals.dart
@@ -132,10 +132,17 @@ class KernelToLocalsMapImpl implements KernelToLocalsMap {
   }
 
   @override
+  // TODO(johnniwinther): Split this out into two methods -- one for
+  // FunctionDeclaration and one for FunctionExpression, since basically the
+  // whole thing is different depending on the node type. The reason it's not
+  // done yet is the version of this function that it's overriding has a little
+  // bit of commonality.
   Local getLocalFunction(ir.TreeNode node) {
     assert(node is ir.FunctionDeclaration || node is ir.FunctionExpression,
         failedAt(currentMember, 'Invalid local function node: $node'));
-    return _map.putIfAbsent(node, () {
+    var lookupName = node;
+    if (node is ir.FunctionDeclaration) lookupName = node.variable;
+    return _map.putIfAbsent(lookupName, () {
       String name;
       if (node is ir.FunctionDeclaration) {
         name = node.variable.name;