Looks like the per-thread value isn't available from within destructor on Mac OS X, even though we don't clear it yet.
Created attachment 26467 [details] proposed fix
Comment on attachment 26467 [details] proposed fix > + * wtf/ThreadSpecific.h: (WTF::::destroy): Temporarily reset the thread specific value > + to make getter work on Mac OS X. WTF::::destroy is not the name of the function. prepare-ChangeLog failed and needs human assistance. r=me
Committed revision 39672.