Application crashes with

# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/tmp/workspace/jdk7-2-build-solaris-i586-product/jdk7/hotspot/src/share/vm/gc_implementation/g1/concurrentMark.cpp:3068), pid=11075, tid=13
# assert(obj->is_oop_or_null(true )) failed: Error
#
# JRE version: 7.0-b123
# Java VM: Java HotSpot(TM) Client VM (20.0-b04-fastdebug compiled mode solaris-x86 )

Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x15fa03a] void VMError::report(outputStream*)+0x73e;; void VMError::report(outputStream*)+0x73e
V [libjvm.so+0x15fb1e1] void VMError::report_and_die()+0x555;; void VMError::report_and_die()+0x555
V [libjvm.so+0x7bd45e] void report_vm_error(const char*,int,const char*,const char*)+0x53a;; void report_vm_error(const char*,int,const char*,const char*)+0x53a
V [libjvm.so+0x15fab76] void VMError::report(outputStream*)+0x127a;; void VMError::report(outputStream*)+0x127a
V [libjvm.so+0x15fb1e1] void VMError::report_and_die()+0x555;; void VMError::report_and_die()+0x555
V [libjvm.so+0x7bd45e] void report_vm_error(const char*,int,const char*,const char*)+0x53a;; void report_vm_error(const char*,int,const char*,const char*)+0x53a
V [libjvm.so+0x6f2b61] void CMOopClosure::do_oop(oop*)+0x975;; void CMOopClosure::do_oop(oop*)+0x975
V [libjvm.so+0x9a9539] int instanceKlass::oop_oop_iterate_v(oop,OopClosure*)+0x221;; int instanceKlass::oop_oop_iterate_v(oop,OopClosure*)+0x221
V [libjvm.so+0x6f3aaa] bool CMBitMapClosure::do_bit(unsigned)+0x54e;; bool CMBitMapClosure::do_bit(unsigned)+0x54e
V [libjvm.so+0x2deaa4] bool BitMap::iterate(BitMapClosure*,unsigned,unsigned)+0xa4;; bool BitMap::iterate(BitMapClosure*,unsigned,unsigned)+0xa4
V [libjvm.so+0x6df120] bool CMBitMapRO::iterate(BitMapClosure*,MemRegion)+0x5c;; bool CMBitMapRO::iterate(BitMapClosure*,MemRegion)+0x5c
V [libjvm.so+0x6ed8f8] void CMTask::do_marking_step(double)+0x354;; void CMTask::do_marking_step(double)+0x354
V [libjvm.so+0x6f0a9c] void CMConcurrentMarkingTask::work(int)+0x2d8;; void CMConcurrentMarkingTask::work(int)+0x2d8
V [libjvm.so+0x164d420] void GangWorker::loop()+0x49c;; void GangWorker::loop()+0x49c
V [libjvm.so+0x164ce14] void GangWorker::run()+0x24;; void GangWorker::run()+0x24
V [libjvm.so+0x128d7ff] java_start+0x6fb;; java_start+0x6fb
C [libc.so.1+0xa71d0] _thr_setup+0x4e;; _thr_setup+0x4e
C [libc.so.1+0xa74c0] __moddi3+0x60;; _lwp_start+0x0