Hi,
Since we did not get any reply from the code owners, please review the fixes that were submitted for PR 15840.
Specifically, http://llvm.org/bugs/show_bug.cgi?id=15840#c8 (and optionally, http://llvm.org/bugs/show_bug.cgi?id=15840#c2 ).
It would be really nice to have this bug finally closed.
-Dimitry