VM hangs in C2Compiler

Compiler thread hangs with the following stack trace when VM is in the synchronizing state:

(gdb) where
#0 0x00007fb7db705179 in Klass::subklass (this=0x101343828)
#1 0x00007fb7db4555c5 in find_finalizable_subclass (k=0x101343828)
#2 Dependencies::find_finalizable_subclass (k=0x101343828)
#3 0x00007fb7db3638ee in ciInstanceKlass::has_finalizable_subclass(this=0x7fb7d40a78e0)
#4 0x00007fb7db8828fb in Parse::call_register_finalizer(this=0x7fb7c49f67a0)
#5 0x00007fb7db882fb9 in Parse::return_current (this=0x101343828, value=0x0)
#6 0x00007fb7db88f526 in Parse::do_one_bytecode (this=0x101343828)
#7 0x00007fb7db8817d8 in Parse::do_one_block (this=0x7fb7c49f67a0)
#8 0x00007fb7db881a57 in Parse::do_all_blocks (this=0x7fb7c49f67a0)
#9 0x00007fb7db885fe9 in Parse::Parse (this=0x7fb7c49f67a0, caller=<value optimized out>, parse_method=<value optimized out>, expected_uses=15617)
#10 0x00007fb7db3384e8 in ParseGenerator::generate (this=0x7fb78c173120, jvms=0x7fb7a40191f0)
#11 0x00007fb7db4aea36 in Parse::do_call (this=0x7fb7c49f6bc0)
#12 0x00007fb7db88f5aa in Parse::do_one_bytecode (this=0x101343828)
#13 0x00007fb7db8817d8 in Parse::do_one_block (this=0x7fb7c49f6bc0)
#14 0x00007fb7db881a57 in Parse::do_all_blocks (this=0x7fb7c49f6bc0)
#15 0x00007fb7db885fe9 in Parse::Parse (this=0x7fb7c49f6bc0, caller=<value optimized out>, parse_method=<value optimized out>, expected_uses=15617)
#16 0x00007fb7db3384e8 in ParseGenerator::generate (this=0x7fb78c173030, jvms=0x7fb7a40190e0)
#17 0x00007fb7db4aea36 in Parse::do_call (this=0x7fb7c49f6fe0)
#18 0x00007fb7db88f5aa in Parse::do_one_bytecode (this=0x101343828)
#19 0x00007fb7db8817d8 in Parse::do_one_block (this=0x7fb7c49f6fe0)
#20 0x00007fb7db881a57 in Parse::do_all_blocks (this=0x7fb7c49f6fe0)
#21 0x00007fb7db885fe9 in Parse::Parse (this=0x7fb7c49f6fe0, caller=<value optimized out>, parse_method=<value optimized out>, expected_uses=15617)
#22 0x00007fb7db3384e8 in ParseGenerator::generate (this=0x7fb78c172f40, jvms=0x7fb7a4018f60)
#23 0x00007fb7db3e8dfa in Compile::Compile (this=<value optimized out>, ci_env=<value optimized out>, compiler=0x7fb7d40f8ad0, target=<value optimized out>, osr_bci=-1, subsume_loads=<value optimized out>, do_escape_analysis=true, eliminate_boxing=true)
#24 0x00007fb7db336eb8 in C2Compiler::compile_method (this=0x7fb7d40f8ad0, env=0x7fb7c49f89f0, target=0x17e0710, entry_bci=-1)
#25 0x00007fb7db3f343a in CompileBroker::invoke_compiler_on_method (task=0x7fb7741f7740)
#26 0x00007fb7db3f43e6 in CompileBroker::compiler_thread_loop ()
#27 0x00007fb7db9a786f in JavaThread::thread_main_inner (this=0x7fb7d4101800)
#28 0x00007fb7db9a799c in JavaThread::run (this=0x7fb7d4101800)
#29 0x00007fb7db85bde8 in java_start (thread=0x7fb7d4101800)
#30 0x0000003785007851 in start_thread ()
#31 0x0000003784ce767d in clone ()