Quick fix to issue 1593

BUG=v8:1593

Review URL: http://codereview.chromium.org/7622009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8903 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/runtime.js

@@ -366,7 +366,7 @@ function IN(x) {
 function INSTANCE_OF(F) {
   var V = this;
   if (!IS_FUNCTION(F)) {
-    throw %MakeTypeError('instanceof_function_expected', [V]);
+    throw %MakeTypeError('instanceof_function_expected', [F]);
   }
 
   // If V is not an object, return false.