Found a crash on aarch64.
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (assembler_aarch64.hpp:251), pid=125009, tid=125020
# guarantee(chk == -1 || chk == 0) failed: Field too big for insn
#
# JRE version: OpenJDK Runtime Environment (13.0.1) (build 13.0.1-testing+0-builds.shipilev.net-openjdk-jdk13-b44-20191127)
# Java VM: OpenJDK 64-Bit Server VM (13.0.1-testing+0-builds.shipilev.net-openjdk-jdk13-b44-20191127, mixed mode, tiered, compressed oops, g1 gc, linux-aarch64)
# Problematic frame:
# V [libjvm.so+0x2a5b8c] Instruction_aarch64::sf(long, int, int)+0x64
#
# No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
--------------- T H R E A D ---------------

Current thread (0x0000ffff80607800): JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=125020, stack(0x0000ffff05fd8000,0x0000ffff061d8000)]


Current CompileTask:
C2: 132 113 4 MyTest::toBytes (464 bytes)

Stack: [0x0000ffff05fd8000,0x0000ffff061d8000], sp=0x0000ffff061d36d0, free space=2029k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x2a5b8c] Instruction_aarch64::sf(long, int, int)+0x64
V [libjvm.so+0x2a7ab0] Assembler::ld_st2(RegisterImpl*, Address const&, int, int, int)+0x3e8
V [libjvm.so+0x254a8c] loadStore(MacroAssembler, void (MacroAssembler::*)(RegisterImpl*, Address const&), RegisterImpl*, int, RegisterImpl*, int, int, int) [clone .constprop.115]+0xdc
V [libjvm.so+0x25cb48] storeINode::emit(CodeBuffer&, PhaseRegAlloc*) const+0x138
V [libjvm.so+0x4c3c7c] Compile::scratch_emit_size(Node const*)+0x244
V [libjvm.so+0xa6cea4] Compile::shorten_branches(unsigned int*, Compile::BufferSizingData&)+0x22c
V [libjvm.so+0xa74f88] Compile::Output()+0x778
V [libjvm.so+0x4ccd6c] Compile::Code_Gen()+0x40c
V [libjvm.so+0x4cff38] Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0xc28
V [libjvm.so+0x405f10] C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x168
V [libjvm.so+0x4d8558] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x2f8
V [libjvm.so+0x4d97c8] CompileBroker::compiler_thread_loop()+0x3d0
V [libjvm.so+0xcede08] JavaThread::thread_main_inner()+0xb8
V [libjvm.so+0xcf3d18] Thread::call_run()+0x108
V [libjvm.so+0xa5d560] thread_native_entry(Thread*)+0xf8
C [libpthread.so.0+0x7bb0] start_thread+0xb4