am 1822cbc2: am d445647f: am 575bd012: am d9abded2: am 7a432f8c: am 11728ce9: Merge "Workaround the __builtin_isnan() type error for clang 3.4."

* commit '1822cbc2cc3ab86d0ff8e1f72529876c7b02ad7b':