Problem Description : Extended DTrace Probes (flag -XX:+ExtendedDTraceProbes) hangs/crashes java in case of server compiler

Java Release : 7
Java Builds : b02, ..., b07
VM flavors : server
VM Modes : -Xmixed | -Xcomp
Java flags :
Platform(s) : solaris-sparc, solaris-sparcv9, solaris-i586, solaris-amd64 Hostnames with OS info : vmsqe-amd-06.russia (Solaris 10)

Suite Name : vm.dtrace
Test cases : dtrace/hotspot/MethodInvocation/MethodInvocation001
                          dtrace/hotspot/MethodInvocation/MethodInvocation002
                          dtrace/hotspot/ObjectAllocation/ObjectAllocation001
                          dtrace/hotspot/ObjectAllocation/ObjectAllocation002
                          dtrace/hotspot/ObjectAllocation/ObjectAllocation003
                          dtrace/hotspot/ObjectAllocation/ObjectAllocation004
                          dtrace/hotspot/Monitors/Monitors001

Non-fastdebug java hangs.

fastdebug java crashes with error:
#
# An unexpected error has been detected by Java Runtime Environment:
#
# Internal Error (/BUILD_AREA/jdk7/hotspot/src/share/vm/opto/graphKit.hpp, 361), pid=4972, tid=7
#
# Java VM: Java HotSpot(TM) Server VM (1.7.0-ea-fastdebug-b07-fastdebug compiled mode)
#
# Error: assert(mem->is_MergeMem(),"parse memory is always pre-split")
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#

to reproduce just do:
> java -server -Xcomp -XX:+ExtendedDTraceProbes -version
 or
> fastdebug/bin/java -server -Xcomp -XX:+ExtendedDTraceProbes -version