fixes private named constructors

test/codegen/expect/names.js

Index: test/codegen/expect/names.js
diff --git a/test/codegen/expect/names.js b/test/codegen/expect/names.js
index 812a0885c40d5bc8a1f6043b79d630b22f799049..ca5ef650410cf6be42f3bf6008bd7ca95ae9d48c 100644
--- a/test/codegen/expect/names.js
+++ b/test/codegen/expect/names.js
@@ -13,7 +13,7 @@ var names;
     return 456;
   }
   class Frame extends core.Object {
-    Frame$caller(arguments$) {
+    ['caller*'](arguments$) {
       this.arguments = arguments$;
     }
     static ['callee*']() {
@@ -26,7 +26,7 @@ var names;
     core.print(exports.exports);
     core.print(new Foo()._foo());
     core.print(_foo());
-    core.print(new Frame.caller(new core.List.from([1, 2, 3])));
+    core.print(new Frame['caller*'](new core.List.from([1, 2, 3])));
     let eval$ = Frame['callee*'];
     core.print(eval$);
   }