Fixes issues with emit for cloned identifiers

src/compiler/factory.ts

@@ -127,7 +127,7 @@ namespace ts {
 
     export function createIdentifier(text: string, location?: TextRange): Identifier {
         const node = <Identifier>createNode(SyntaxKind.Identifier, location);
-        node.text = text;
+        node.text = escapeIdentifier(text);
         return node;
     }
 

src/compiler/printer.ts

@@ -2349,7 +2349,7 @@ const _super = (function (geti, seti) {
                         return getGeneratedIdentifier(node);
                     }
                     else if (nodeIsSynthesized(node) || !node.parent) {
-                        return node.text;
+                        return unescapeIdentifier(node.text);
                     }
                 }
                 else if (isLiteralExpression(node) && (nodeIsSynthesized(node) || !node.parent)) {