The issue is that errorProtoFuncToString() is using jsNontrivialString() to generate the error string even when the name string can be a single character string. This is incorrect. We should be using jsString() instead.
Created attachment 284827 [details]
Comment on attachment 284827 [details]
Thanks for the review. Landed in r203853: <http://trac.webkit.org/r203853>.
*** Bug 149253 has been marked as a duplicate of this bug. ***