Add HArrayBufferNotNeutered instruction

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 6cffc1c1ecb2ef6a8219f69c5397f8cc9059ee6f..80f9f0b49af0866250f99424541de692356ff2d7 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1991,6 +1991,15 @@ LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoCheckArrayBufferNotNeutered(
+    HCheckArrayBufferNotNeutered* instr) {
+  LOperand* view = UseRegisterAtStart(instr->value());
+  LCheckArrayBufferNotNeutered* result =
+      new (zone()) LCheckArrayBufferNotNeutered(view);
+  return AssignEnvironment(result);
+}
+
+
 LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) {
   LOperand* value = UseRegisterAtStart(instr->value());
   LCheckInstanceType* result = new(zone()) LCheckInstanceType(value);