Review Request (S) 8024346: ~CautiouslyPreserveExceptionMark - assert(!_thread->has_pending_exception()) failed: unexpected exception generated

[serguei.spitsyn at oracle.com]

Please, review the fix for:
   bug: http://bugs.sun.com/view_bug.do?bug_id=8024346
   jbs: https://bugs.openjdk.java.net/browse/JDK-8024346


Open webrev:
http://cr.openjdk.java.net/~sspitsyn/webrevs/2013/hotspot/8024346-JVMTI-MEM.1

Summary:
   Pending exceptions must be handled properly after a call to the JVMTI 
merge_cp_and_rewrite.



Testing:
   UTE tests - in progress:  vm.quick-pcl.testlist with limited 
Metaspace memory,
                                         nsk.jvmti.testlist, 
nsk.jdi.testlist,
                                         Jtreg java/lang/instrument

Thanks,
Serguei