Review request for JDK-8138906

[Srinivas Dama]

Hi,

Please review http://cr.openjdk.java.net/~sdama/8138906/webrev.00/ for 
https://bugs.openjdk.java.net/browse/JDK-8138906

I did testing with recent $EXEC changes from Michael and very small code 
cleanup.

Regards,
Srinivas