hg: code-tools/jmh: profilers: stack, minor code polishings.

[aleksey.shipilev at oracle.com]

Changeset: 925af64108f1
Author:    shade
Date:      2014-07-02 23:10 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/925af64108f1

profilers: stack, minor code polishings.

! jmh-core/src/main/java/org/openjdk/jmh/profile/StackProfiler.java