Add HArrayBufferNotNeutered instruction

src/x87/lithium-codegen-x87.cc

Index: src/x87/lithium-codegen-x87.cc
diff --git a/src/x87/lithium-codegen-x87.cc b/src/x87/lithium-codegen-x87.cc
index 13dfc17345f028d757d61387854e54aed7deee8f..62bb19087331b7d142a93a1e93469d050771176f 100644
--- a/src/x87/lithium-codegen-x87.cc
+++ b/src/x87/lithium-codegen-x87.cc
@@ -5476,6 +5476,22 @@ void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) {
 }
 
 
+void LCodeGen::DoCheckArrayBufferNotNeutered(
+    LCheckArrayBufferNotNeutered* instr) {
+  Register view = ToRegister(instr->view());
+  Register scratch = ToRegister(instr->scratch());
+
+  Label has_no_buffer;
+  __ mov(scratch, FieldOperand(view, JSArrayBufferView::kBufferOffset));
+  __ JumpIfSmi(scratch, &has_no_buffer);
+  __ test_b(FieldOperand(scratch, JSArrayBuffer::kBitFieldOffset),
+            1 << JSArrayBuffer::WasNeutered::kShift);
+  DeoptimizeIf(not_zero, instr, Deoptimizer::kOutOfBounds);
+
+  __ bind(&has_no_buffer);
+}
+
+
 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
   Register input = ToRegister(instr->value());
   Register temp = ToRegister(instr->temp());