RFR (XS) 8008559 [parfait] Path through non-void function '_ZN2os15thread_cpu_timeEP6Thread' returns an undefined value

[Morris Meyer]

Could I get a quick review for this parfait issue?  This has been 
through JPRT.

Thanks much.

         --mm

WEBREV - http://cr.openjdk.java.net/~morris/8008559
BUG - https://jbs.oracle.com/bugs/browse/JDK-8008559