Add HArrayBufferNotNeutered instruction

src/x87/lithium-x87.h

Index: src/x87/lithium-x87.h
diff --git a/src/x87/lithium-x87.h b/src/x87/lithium-x87.h
index 6cc89b1fba969dab33efdca9c938184262ed9e61..7a8b1e7d8098bd37156808ec107975fc6072bfb1 100644
--- a/src/x87/lithium-x87.h
+++ b/src/x87/lithium-x87.h
@@ -41,6 +41,7 @@ class LCodeGen;
   V(CallNewArray)                            \
   V(CallRuntime)                             \
   V(CallStub)                                \
+  V(CheckArrayBufferNotNeutered)             \
   V(CheckInstanceType)                       \
   V(CheckMaps)                               \
   V(CheckMapValue)                           \
@@ -2381,6 +2382,23 @@ class LCheckValue final : public LTemplateInstruction<0, 1, 0> {
 };
 
 
+class LCheckArrayBufferNotNeutered final
+    : public LTemplateInstruction<0, 1, 1> {
+ public:
+  explicit LCheckArrayBufferNotNeutered(LOperand* view, LOperand* scratch) {
+    inputs_[0] = view;
+    temps_[0] = scratch;
+  }
+
+  LOperand* view() { return inputs_[0]; }
+  LOperand* scratch() { return temps_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(CheckArrayBufferNotNeutered,
+                               "check-array-buffer-not-neutered")
+  DECLARE_HYDROGEN_ACCESSOR(CheckArrayBufferNotNeutered)
+};
+
+
 class LCheckInstanceType final : public LTemplateInstruction<0, 1, 1> {
  public:
   LCheckInstanceType(LOperand* value, LOperand* temp) {