[webkit-reviews] review requested: [Bug 159930] REGRESSION (r203348-r203368): ASSERTION FAILED: from.isCell() && from.asCell()->JSCell::inherits(std::remove_pointer<To>::type::info()) : [Attachment 284031] the patch

[bugzilla-daemon at webkit.org]

Filip Pizlo <fpizlo at apple.com> has asked  for review:
Bug 159930: REGRESSION (r203348-r203368): ASSERTION FAILED: from.isCell() &&
from.asCell()->JSCell::inherits(std::remove_pointer<To>::type::info())
https://bugs.webkit.org/show_bug.cgi?id=159930

Attachment 284031: the patch

https://bugs.webkit.org/attachment.cgi?id=284031&action=review