VM crashed running TestComplexAddrExpr.java test with -XX:UseAVX=X

New test compiler/vectorization/TestComplexAddrExpr.java added by JDK-8249749 fails when run with -XX:UseAVX=X

# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (src/hotspot/share/opto/superword.cpp:1723), pid=5029, tid=5043
# assert(my_pack(s) == __null) failed: only in one pack
# Problematic frame:
# V [libjvm.so+0x16254d6] SuperWord::construct_my_pack_map()+0x496
#

Current CompileTask:
C2: 313 95 % 4 java.util.stream.Streams$RangeIntSpliterator::forEachRemaining @ 34 (65 bytes)

Stack: [0x00007f56518ee000,0x00007f56519ef000], sp=0x00007f56519e9600, 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+0x16254d6] SuperWord::construct_my_pack_map()+0x496
V [libjvm.so+0x163086f] SuperWord::SLP_extract()+0x22f
V [libjvm.so+0x1630f95] SuperWord::transform_loop(IdealLoopTree*, bool)+0x205
V [libjvm.so+0x118cae1] PhaseIdealLoop::build_and_optimize(LoopOptsMode)+0x1101
V [libjvm.so+0x900c2e] PhaseIdealLoop::optimize(PhaseIterGVN&, LoopOptsMode)+0x31e
V [libjvm.so+0x8fe391] Compile::Optimize()+0xd61
V [libjvm.so+0x8ffd80] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, DirectiveSet*)+0x1500