Fixed issue where parser improperly parses a function declaration with no identifier.

src/compiler/checker.ts

@@ -5379,6 +5379,10 @@ module ts {
             var isConstructor = (symbol.flags & SymbolFlags.Constructor) !== 0;
 
             function reportImplementationExpectedError(node: FunctionDeclaration): void {
+                if (node.name && node.name.kind === SyntaxKind.Missing) {
+                    return;
+                }
+
                 var seen = false;
                 var subsequentNode = forEachChild(node.parent, c => {
                     if (seen) {

src/compiler/parser.ts

@@ -953,7 +953,10 @@ module ts {
                 return finishNode(node);
             }
             error(Diagnostics.Identifier_expected);
-            return <Identifier>createMissingNode();
+
+            var node = <Identifier>createMissingNode();
+            node.text = "";
+            return node;
         }
 
         function parseIdentifier(): Identifier {