# Internal Error (/oracle/jdk/open/src/hotspot/cpu/x86/macroAssembler_x86.cpp:5000), pid=401730, tid=401747
# Error: assert(UseAVX > 2 && VM_Version::supports_avx512vlbw()) failed

Current CompileTask:
C2: 221 166 4 java.io.DataInputStream::readUTF (501 bytes)

Stack: [0x00007f7e80432000,0x00007f7e80533000], sp=0x00007f7e8052dcf0, free space=1007k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x13362b0] MacroAssembler::clear_mem(RegisterImpl*, int, RegisterImpl*, XMMRegisterImpl*)+0x90
V [libjvm.so+0x399068] rep_stos_imNode::emit(CodeBuffer&, PhaseRegAlloc*) const+0x138
V [libjvm.so+0x155ddfa] PhaseOutput::scratch_emit_size(Node const*)+0x3fa
V [libjvm.so+0x1554cbc] PhaseOutput::shorten_branches(unsigned int*)+0x2ac
V [libjvm.so+0x15666aa] PhaseOutput::Output()+0xcca
V [libjvm.so+0xa10048] Compile::Code_Gen()+0x438
V [libjvm.so+0xa1af6c] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, DirectiveSet*)+0x19dc
V [libjvm.so+0x84737a] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x1ea
V [libjvm.so+0xa2ada1] CompileBroker::invoke_compiler_on_method(CompileTask*)+0xea1
V [libjvm.so+0xa2ba28] CompileBroker::compiler_thread_loop()+0x5a8
V [libjvm.so+0x184d476] JavaThread::thread_main_inner()+0x256
V [libjvm.so+0x1853de0] Thread::call_run()+0x100
V [libjvm.so+0x153e956] thread_native_entry(Thread*)+0x116