Unify internal and external typed arrays a bit

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index 8100ae19b6b1b82432548d48022734f1cf5745ba..2abde16a40b3a2e3efe092081cbcc82cafa139c7 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -5173,14 +5173,10 @@ void LCodeGen::DoCheckArrayBufferNotNeutered(
   Register view = ToRegister(instr->view());
   Register scratch = scratch0();
 
-  Label has_no_buffer;
   __ lw(scratch, FieldMemOperand(view, JSArrayBufferView::kBufferOffset));
-  __ JumpIfSmi(scratch, &has_no_buffer);
   __ lw(scratch, FieldMemOperand(scratch, JSArrayBuffer::kBitFieldOffset));
   __ And(at, scratch, 1 << JSArrayBuffer::WasNeutered::kShift);
   DeoptimizeIf(ne, instr, Deoptimizer::kOutOfBounds, at, Operand(zero_reg));
-
-  __ bind(&has_no_buffer);
 }