[interpreter] Remove OperandScale from front stages of pipeline.

src/interpreter/bytecode-peephole-optimizer.cc

Index: src/interpreter/bytecode-peephole-optimizer.cc
diff --git a/src/interpreter/bytecode-peephole-optimizer.cc b/src/interpreter/bytecode-peephole-optimizer.cc
index 790b270abddf3cccb90ba3a6b834c1a87795891f..d8647d9399d8d4467bc9c1688802ab4cd255e846 100644
--- a/src/interpreter/bytecode-peephole-optimizer.cc
+++ b/src/interpreter/bytecode-peephole-optimizer.cc
@@ -183,9 +183,8 @@ void TransformLdaStarToLdrLdar(Bytecode new_bytecode, BytecodeNode* const last,
   // accumulator. However, in the second form the Ldar can often be
   // peephole optimized away unlike the Star in the first form.
   //
-  last->Transform(new_bytecode, current->operand(0), current->operand_scale());
-  current->set_bytecode(Bytecode::kLdar, current->operand(0),
-                        current->operand_scale());
+  last->Transform(new_bytecode, current->operand(0));
+  current->set_bytecode(Bytecode::kLdar, current->operand(0));
 
   // If there was a source position on |current| transfer it to the
   // updated |last| to maintain the debugger's causal view. ie. if an
@@ -234,7 +233,7 @@ bool BytecodePeepholeOptimizer::RemoveToBooleanFromJump(
     // element can be removed if the previous bytecode put a boolean
     // value in the accumulator.
     Bytecode jump = Bytecodes::GetJumpWithoutToBoolean(current->bytecode());
-    current->set_bytecode(jump, current->operand(0), current->operand_scale());
+    current->set_bytecode(jump, current->operand(0));
   }
   return can_remove;
 }