hg: jdk8u/jdk8u-dev/nashorn: 8134150: Make Timing both threadsafe and efficient

[attila.szegedi at oracle.com]

Changeset: 9d5ebdd45a58
Author:    attila
Date:      2015-08-24 09:11 +0200
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/nashorn/rev/9d5ebdd45a58

8134150: Make Timing both threadsafe and efficient
Reviewed-by: jlaskey, sundar

! src/jdk/nashorn/internal/runtime/Timing.java