Unify internal and external typed arrays a bit

src/arm64/lithium-codegen-arm64.cc

Index: src/arm64/lithium-codegen-arm64.cc
diff --git a/src/arm64/lithium-codegen-arm64.cc b/src/arm64/lithium-codegen-arm64.cc
index badd1773748e580f44b3ef3e0ba8dc71de0d4239..a249ca423b6ac7578a8eea13e8d63065c97752b8 100644
--- a/src/arm64/lithium-codegen-arm64.cc
+++ b/src/arm64/lithium-codegen-arm64.cc
@@ -2235,14 +2235,10 @@ void LCodeGen::DoCheckArrayBufferNotNeutered(
   Register view = ToRegister(instr->view());
   Register scratch = temps.AcquireX();
 
-  Label has_no_buffer;
   __ Ldr(scratch, FieldMemOperand(view, JSArrayBufferView::kBufferOffset));
-  __ JumpIfSmi(scratch, &has_no_buffer);
   __ Ldr(scratch, FieldMemOperand(scratch, JSArrayBuffer::kBitFieldOffset));
   __ Tst(scratch, Operand(1 << JSArrayBuffer::WasNeutered::kShift));
   DeoptimizeIf(ne, instr, Deoptimizer::kOutOfBounds);
-
-  __ Bind(&has_no_buffer);
 }