Undefined Behavior discovered after turning "UndefinedBehaviorSanitizer" in Xcode running simple HelloWorld java app. More info on clang undefined behavior sanitizer can be found https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html

/Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:1894 Signed integer overflow: 9223372036854775807 + 3 cannot be represented in type 'long'
/Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:1894 Signed integer overflow: 9223372036854775807 + 4 cannot be represented in type 'long'
/Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:1894 Signed integer overflow: 9223372036854775807 + 9223372036854775807 cannot be represented in type 'long'

Signed integer overflow
#0 0x0000000111d8bb83 in TypeLong::hash() const at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:1894
#1 0x0000000110f2f13f in Dict::operator[](void const*) const at /Users/gerard/Work/tmp/jdk/src/hotspot/share/libadt/dict.cpp:205
#2 0x0000000111d81027 in Type::hashcons() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:753
#3 0x0000000111d83fd7 in TypeLong::make(long, long, int) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:1728
#4 0x0000000111d81bb7 in Type::Initialize_shared(Compile*) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:499
#5 0x0000000111d8514b in Type::Initialize(Compile*) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/type.cpp:715
#6 0x0000000111c200fb in CompileWrapper::CompileWrapper(Compile*) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/compile.cpp:486
#7 0x0000000111c2076c in CompileWrapper::CompileWrapper(Compile*) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/compile.cpp:470
#8 0x0000000111c2641b in Compile::Compile(ciEnv*, TypeFunc const* (*)(), unsigned char*, char const*, int, bool, bool, DirectiveSet*) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/compile.cpp:939
#9 0x0000000111ceb407 in OptoRuntime::generate_stub(ciEnv*, TypeFunc const* (*)(), unsigned char*, char const*, int, bool, bool) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/runtime.cpp:175
#10 0x0000000111ceb093 in OptoRuntime::generate(ciEnv*) at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/runtime.cpp:143
#11 0x0000000111cad217 in C2Compiler::init_c2_runtime() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/c2compiler.cpp:82
#12 0x0000000111cad2cf in C2Compiler::initialize() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/opto/c2compiler.cpp:95
#13 0x0000000111e8437b in CompileBroker::init_compiler_runtime() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/compiler/compileBroker.cpp:1730
#14 0x0000000111e8504f in CompileBroker::compiler_thread_loop() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/compiler/compileBroker.cpp:1867
#15 0x0000000110eed6cb in JavaThread::thread_main_inner() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/runtime/javaThread.cpp:710
#16 0x0000000110eed4bb in JavaThread::run() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/runtime/javaThread.cpp:695
#17 0x0000000110d9837b in Thread::call_run() at /Users/gerard/Work/tmp/jdk/src/hotspot/share/runtime/thread.cpp:224
#18 0x00000001109abd1f in thread_native_entry(Thread*) at /Users/gerard/Work/tmp/jdk/src/hotspot/os/bsd/os_bsd.cpp:572
#19 0x00000001000995d3 in _pthread_start ()