hg: jdk7/hotspot-rt/hotspot: 6639341: sometimes contended-exit event comes after contended-entered on another thread

[lev.serebryakov at sun.com]

Changeset: a7fac4381b50
Author:    blacklion
Date:      2008-12-11 03:22 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/a7fac4381b50

6639341: sometimes contended-exit event comes after contended-entered on another thread
Summary: DTrace probe "contended-exit" should be fired before unparking object, or context could be lost. Probe firing was moved to proper place.
Reviewed-by: coleenp, kamg

! src/share/vm/runtime/synchronizer.cpp