Unify internal and external typed arrays a bit

src/ia32/lithium-codegen-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 4960 matching lines @@
     DeoptimizeIf(zero, instr, Deoptimizer::kSmi);
   }
 }
 
 
 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());
 
   __ mov(temp, FieldOperand(input, HeapObject::kMapOffset));
 
   if (instr->hydrogen()->is_interval_check()) {
@@ skipping 772 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32