This is so that it doesn't conflict with the isPoisoned() debugging methods that are normally not built. Also renamed PoisonedUniquePtr::isPoisonedUniquePtr to PoisonedUniquePtr::isPoisonedUniquePtrType to be consistent.
<rdar://problem/36880970>
Created attachment 332311 [details] proposed patch.
Comment on attachment 332311 [details] proposed patch. r=me
Thanks for the review. Landed in r227628: <http://trac.webkit.org/r227628>.