C1 crashes with -XX:UseAVX = 3: "not a mov [reg+offs], reg instruction"

Host: Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz, 272 cores, 109G, Oracle Linux Server release 7.3
Extra flag: -XX:UseAVX=3
A number of tests crashed.

# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/scratch/workspace/9-2-build-linux-amd64-phase2/jdk9/6180/hotspot/src/cpu/x86/vm/nativeInst_x86.cpp:508), pid=240923, tid=243397
# fatal error: not a mov [reg+offs], reg instruction
#
# JRE version: Java(TM) SE Runtime Environment (9.0+160) (fastdebug build 9-ea+160)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 9-ea+160, compiled mode, tiered, compressed oops, g1 gc, linux-amd64)
# Core dump will be written. Default location: Core dumps may be processed with "/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e %P %I" (or dumping to /export/home/aginfra/sandbox/results/workDir/runtime/CompactStrings/TestMethodNames/core.240923)
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#

--------------- S U M M A R Y ------------

Command Line: -Dtest.src=/export/home/aginfra/CommonData/j2se_jdk/hotspot/test/runtime/CompactStrings -Dtest.src.path=/export/home/aginfra/CommonData/j2se_jdk/hotspot/test/runtime/CompactStrings -Dtest.classes=/export/home/aginfra/sandbox/results/workDir/classes/13/runtime/CompactStrings -Dtest.class.path=/export/home/aginfra/sandbox/results/workDir/classes/13/runtime/CompactStrings -Dtest.vm.opts= -Dtest.tool.vm.opts= -Dtest.compiler.opts= -Dtest.java.opts=-Xcomp -Xcomp -XX:MaxRAMFraction=8 -XX:+CreateCoredumpOnCrash -ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:+TieredCompilation -XX:UseAVX=3 -Dtest.jdk=/export/home/aginfra/CommonData/TEST_JAVA_HOME -Dcompile.jdk=/export/home/aginfra/CommonData/TEST_JAVA_HOME -Dtest.timeout.factor=16.0 -Dtest.nativepath=/export/home/aginfra/sandbox/JTREG_NATIVEPATH_LIBRARY_PREPARED -Xcomp -Xcomp -XX:MaxRAMFraction=8 -XX:+CreateCoredumpOnCrash -ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -XX:+TieredCompilation -XX:UseAVX=3 -Djava.library.path=/export/home/aginfra/sandbox/JTREG_NATIVEPATH_LIBRARY_PREPARED -XX:+CompactStrings com.sun.javatest.regtest.agent.MainWrapper /export/home/aginfra/sandbox/results/workDir/runtime/CompactStrings/TestMethodNames.d/main.0.jta

Host: [REMOVED], Intel(R) Xeon Phi(TM) CPU 7250 @ 1.40GHz, 272 cores, 109G, Oracle Linux Server release 7.3
Time: Sat Apr 1 16:33:31 2017 PDT elapsed time: 211 seconds (0d 0h 3m 31s)

--------------- T H R E A D ---------------

Current thread (0x00007f785cb3a000): JavaThread "C1 CompilerThread29" daemon [_thread_in_native, id=243397, stack(0x00007f71aa6e7000,0x00007f71aa7e8000)]


Current CompileTask:
C1: 211498 8630 b 3 jdk.nashorn.internal.objects.NativeNumber$Constructor::G$MAX_VALUE (4 bytes)

Stack: [0x00007f71aa6e7000,0x00007f71aa7e8000], sp=0x00007f71aa7e5cf0, free space=1019k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x16c9542] VMError::report_and_die(int, char const*, char const*, __va_list_tag*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long)+0x162;; VMError::report_and_die(int, char const*, char const*, __va_list_tag*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long)+0x162
V [libjvm.so+0x16ca2cf] VMError::report_and_die(Thread*, char const*, int, char const*, char const*, __va_list_tag*)+0x2f;; VMError::report_and_die(Thread*, char const*, int, char const*, char const*, __va_list_tag*)+0x2f
V [libjvm.so+0xaa1b9e] report_fatal(char const*, int, char const*, ...)+0xde;; report_fatal(char const*, int, char const*, ...)+0xde
V [libjvm.so+0x1313e07] NativeMovRegMem::verify()+0xb7;; NativeMovRegMem::verify()+0xb7
V [libjvm.so+0x78a88c] LIR_Assembler::patching_epilog(PatchingStub*, LIR_PatchCode, RegisterImpl*, CodeEmitInfo*)+0xcc;; LIR_Assembler::patching_epilog(PatchingStub*, LIR_PatchCode, RegisterImpl*, CodeEmitInfo*)+0xcc
V [libjvm.so+0x795e29] LIR_Assembler::mem2reg(LIR_OprDesc*, LIR_OprDesc*, BasicType, LIR_PatchCode, CodeEmitInfo*, bool, bool)+0x629;; LIR_Assembler::mem2reg(LIR_OprDesc*, LIR_OprDesc*, BasicType, LIR_PatchCode, CodeEmitInfo*, bool, bool)+0x629
V [libjvm.so+0x78b8f3] LIR_Assembler::emit_op1(LIR_Op1*)+0x83;; LIR_Assembler::emit_op1(LIR_Op1*)+0x83
V [libjvm.so+0x78c3ef] LIR_Assembler::emit_lir_list(LIR_List*)+0x12f;; LIR_Assembler::emit_lir_list(LIR_List*)+0x12f
V [libjvm.so+0x78d1b2] LIR_Assembler::emit_code(BlockList*)+0x122;; LIR_Assembler::emit_code(BlockList*)+0x122
V [libjvm.so+0x72bcf7] Compilation::emit_code_body()+0x1d7;; Compilation::emit_code_body()+0x1d7
V [libjvm.so+0x72e4c5] Compilation::compile_java_method() [clone .part.114]+0x6e5;; Compilation::compile_java_method() [clone .part.114]+0x6e5
V [libjvm.so+0x72f097] Compilation::compile_method()+0x247;; Compilation::compile_method()+0x247
V [libjvm.so+0x72fc33] Compilation::Compilation(AbstractCompiler*, ciEnv*, ciMethod*, int, BufferBlob*, DirectiveSet*)+0x433;; Compilation::Compilation(AbstractCompiler*, ciEnv*, ciMethod*, int, BufferBlob*, DirectiveSet*)+0x433
V [libjvm.so+0x731b9e] Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x17e;; Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x17e
V [libjvm.so+0xa1d896] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x3d6;; CompileBroker::invoke_compiler_on_method(CompileTask*)+0x3d6
V [libjvm.so+0xa1e531] CompileBroker::compiler_thread_loop()+0x2b1;; CompileBroker::compiler_thread_loop()+0x2b1
V [libjvm.so+0x162ddbe] JavaThread::thread_main_inner()+0x22e;; JavaThread::thread_main_inner()+0x22e
V [libjvm.so+0x162e04e] JavaThread::run()+0x1ce;; JavaThread::run()+0x1ce
V [libjvm.so+0x137e922] thread_native_entry(Thread*)+0x112;; thread_native_entry(Thread*)+0x112
C [libpthread.so.0+0x7dc5] start_thread+0xc5