ES6: Error functions should extend Error

src/messages.js

Index: src/messages.js
diff --git a/src/messages.js b/src/messages.js
index 69be1c9ab53e737bcdb93a9b6f9dbdf2c2cf0e2e..196309df3657939fcfa72e60b0fc0a18b56c2ba0 100644
--- a/src/messages.js
+++ b/src/messages.js
@@ -1164,10 +1164,11 @@ function SetUpError() {
       %FunctionSetPrototype(f, new ErrorPrototype());
     } else {
       %FunctionSetPrototype(f, new $Error());
+      %SetPrototype(f, $Error);

[adamk, 2015/03/31 22:45:12]

Any reason not to use %InternalSetPrototype here?

[arv (Not doing code reviews), 2015/03/31 22:48:27]

Yes, the reason is that I'm stupid. Fixing.

     }
     %FunctionSetInstanceClassName(f, 'Error');
     %AddNamedProperty(f.prototype, 'constructor', f, DONT_ENUM);
-    %AddNamedProperty(f.prototype, "name", name, DONT_ENUM);
+    %AddNamedProperty(f.prototype, 'name', name, DONT_ENUM);
     %SetCode(f, function(m) {
       if (%_IsConstructCall()) {
         try { captureStackTrace(this, f); } catch (e) { }