#  Internal Error (/oracle/valhallaL/open/src/hotspot/share/opto/escape.cpp:3162), pid=20830, tid=20844
#  assert(tn_type == TypePtr::NULL_PTR || tn_t != __null && !tinst->klass()->is_subtype_of(tn_t->klass())) failed: unexpected type

Current CompileTask:
C2:  24962 4274    b        compiler.valhalla.valuetypes.MyValue1::toString (7 bytes)

Stack: [0x00007f14b4ea5000,0x00007f14b4fa6000],  sp=0x00007f14b4fa04d0,  free space=1005k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0xd17be0]  ConnectionGraph::split_unique_types(GrowableArray<Node*>&, GrowableArray<ArrayCopyNode*>&)+0xf50
V  [libjvm.so+0xd226c4]  ConnectionGraph::compute_escape()+0x17e4
V  [libjvm.so+0xd22efe]  ConnectionGraph::do_analysis(Compile*, PhaseIterGVN*)+0x12e
V  [libjvm.so+0xaf9857]  Compile::Optimize()+0xa67
V  [libjvm.so+0xafb470]  Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x12b0
V  [libjvm.so+0x8d5e12]  C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x302
V  [libjvm.so+0xb08e91]  CompileBroker::invoke_compiler_on_method(CompileTask*)+0x371
V  [libjvm.so+0xb09c1f]  CompileBroker::compiler_thread_loop()+0x36f
V  [libjvm.so+0x1ac7627]  JavaThread::thread_main_inner()+0x227
V  [libjvm.so+0x1ace1b0]  Thread::call_run()+0x100
V  [libjvm.so+0x166363d]  thread_native_entry(Thread*)+0xfd