commit d91b9f7d46489a9ee00f9cb415630299c76a502b
author Leon Clarke <leonclarke@google.com> Wed Jan 27 17:25:45 2010 +0000
committer Leon Clarke <leonclarke@google.com> Wed Jan 27 17:31:21 2010 +0000
tree 741552f95883bb7461cf7c1d36335cef68804a5b
parent eab96aab0834f21954b5d6aa6366bcfb348ed811

Merge from v8 at revision 3723

src/runtime.js

diff --git a/src/runtime.js b/src/runtime.js
index ce2f197..c4c855e 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -541,7 +541,9 @@
   if (IS_STRING(x)) return new $String(x);
   if (IS_NUMBER(x)) return new $Number(x);
   if (IS_BOOLEAN(x)) return new $Boolean(x);
-  if (x == null) throw %MakeTypeError('null_to_object', []);
+  if (IS_NULL_OR_UNDEFINED(x) && !IS_UNDETECTABLE(x)) {
+    throw %MakeTypeError('null_to_object', []);
+  }
   return x;
 }