Unify internal and external typed arrays a bit

src/ppc/lithium-codegen-ppc.cc

Index: src/ppc/lithium-codegen-ppc.cc
diff --git a/src/ppc/lithium-codegen-ppc.cc b/src/ppc/lithium-codegen-ppc.cc
index 6ef5b58988bbb6e855820508785cb0b490199d24..50dcd191274286b61c63b4fefc2831438e719f38 100644
--- a/src/ppc/lithium-codegen-ppc.cc
+++ b/src/ppc/lithium-codegen-ppc.cc
@@ -5430,14 +5430,10 @@ void LCodeGen::DoCheckArrayBufferNotNeutered(
   Register view = ToRegister(instr->view());
   Register scratch = scratch0();
 
-  Label has_no_buffer;
   __ LoadP(scratch, FieldMemOperand(view, JSArrayBufferView::kBufferOffset));
-  __ JumpIfSmi(scratch, &has_no_buffer);
   __ lwz(scratch, FieldMemOperand(scratch, JSArrayBuffer::kBitFieldOffset));
   __ andi(r0, scratch, Operand(1 << JSArrayBuffer::WasNeutered::kShift));
   DeoptimizeIf(ne, instr, Deoptimizer::kOutOfBounds, cr0);
-
-  __ bind(&has_no_buffer);
 }