[interpreter] Remove OperandScale from front stages of pipeline.

src/interpreter/bytecode-array-writer.h

Index: src/interpreter/bytecode-array-writer.h
diff --git a/src/interpreter/bytecode-array-writer.h b/src/interpreter/bytecode-array-writer.h
index 696f13abb665817ac2a9eaf8887e43ccb4c94e1b..76d881ed58be4835df8372ec9e516278875d22dc 100644
--- a/src/interpreter/bytecode-array-writer.h
+++ b/src/interpreter/bytecode-array-writer.h
@@ -34,6 +34,15 @@ class BytecodeArrayWriter final : public BytecodePipelineStage {
       Handle<FixedArray> handler_table) override;
 
  private:
+  // Constants that act as placeholders for jump operands to be
+  // patched. These have operand sizes that match the sizes of
+  // reserved constant pool entries.
+  const uint32_t k8BitJumpPlaceholder = 0x7f;
+  const uint32_t k16BitJumpPlaceholder =
+      k8BitJumpPlaceholder | (k8BitJumpPlaceholder << 8);
+  const uint32_t k32BitJumpPlaceholder =
+      k16BitJumpPlaceholder | (k16BitJumpPlaceholder << 16);
+
   void PatchJump(size_t jump_target, size_t jump_location);
   void PatchJumpWith8BitOperand(size_t jump_location, int delta);
   void PatchJumpWith16BitOperand(size_t jump_location, int delta);