hg: code-tools/jmh: Make Blackholes sample a bit more stringent about implicit return.

[aleksey.shipilev at oracle.com]

Changeset: 51b58ae85606
Author:    shade
Date:      2014-04-03 14:07 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/51b58ae85606

Make Blackholes sample a bit more stringent about implicit return.
Maybe now people will make their benchmarks more readable?!

! jmh-samples/src/main/java/org/openjdk/jmh/samples/JMHSample_09_Blackholes.java