[webkit-reviews] review requested: [Bug 21221] Crash when using console.trace() : [Attachment 23930] patch

[bugzilla-daemon at webkit.org]

Keishi Hattori <casey.hattori at gmail.com> has asked  for review:
Bug 21221: Crash when using console.trace()
https://bugs.webkit.org/show_bug.cgi?id=21221

Attachment 23930: patch
https://bugs.webkit.org/attachment.cgi?id=23930&action=edit

------- Additional Comments from Keishi Hattori <casey.hattori at gmail.com>
Checking if the caller function is 0 was missing.