Add HArrayBufferNotNeutered instruction

src/x87/lithium-x87.cc

Index: src/x87/lithium-x87.cc
diff --git a/src/x87/lithium-x87.cc b/src/x87/lithium-x87.cc
index 0bf162c2533222c0ee0b47d507fe00f423438862..a1bf2f1e64f99b92bb5138fac8ec0e38e00c8461 100644
--- a/src/x87/lithium-x87.cc
+++ b/src/x87/lithium-x87.cc
@@ -2031,6 +2031,16 @@ LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoCheckArrayBufferNotNeutered(
+    HCheckArrayBufferNotNeutered* instr) {
+  LOperand* view = UseRegisterAtStart(instr->value());
+  LOperand* scratch = TempRegister();
+  LCheckArrayBufferNotNeutered* result =
+      new (zone()) LCheckArrayBufferNotNeutered(view, scratch);
+  return AssignEnvironment(result);
+}
+
+
 LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) {
   LOperand* value = UseRegisterAtStart(instr->value());
   LOperand* temp = TempRegister();