do not include constructor parameters with binding patterns as names when collecting nav bar items

Author: vladima

Diff for: src/services/navigationBar.ts

@@ -423,11 +423,11 @@ module ts.NavigationBar {
                     });
 
                     // Add the constructor parameters in as children of the class (for property parameters).
-                    // Note that *all* parameters will be added to the nodes array, but parameters that
+                    // Note that *all non-binding pattern named* parameters will be added to the nodes array, but parameters that
                     // are not properties will be filtered out later by createChildItem.
                     var nodes: Node[] = removeDynamicallyNamedProperties(node);
                     if (constructor) {
-                        nodes.push.apply(nodes, constructor.parameters);
+                        nodes.push.apply(nodes, filter(constructor.parameters, p => !isBindingPattern(p.name)));
                     }
 
                     var childItems = getItemsWorker(sortNodes(nodes), createChildItem);

Diff for: tests/cases/fourslash/scriptLexicalStructureBindingPatternsInConstructor.ts

@@ -0,0 +1,14 @@
+/// <reference path='fourslash.ts'/>
+
+////class A {
+////    x: any
+////    constructor([a]: any) {
+////    }
+////}
+////class B {
+////    x: any;
+////    constructor( {a} = { a: 1 }) {
+////    }
+////}
+
+verify.getScriptLexicalStructureListCount(6); // 2x(class + field + constructor)