[Interpreter] Optimize BytecodeArrayBuilder and BytecodeArrayWriter.

src/interpreter/bytecode-dead-code-optimizer.cc

Index: src/interpreter/bytecode-dead-code-optimizer.cc
diff --git a/src/interpreter/bytecode-dead-code-optimizer.cc b/src/interpreter/bytecode-dead-code-optimizer.cc
index 5d301c76ce7b88257adc8e79f5677b748bc334e0..848036c01e811b458fa2de3d5d648b9b9cf3990c 100644
--- a/src/interpreter/bytecode-dead-code-optimizer.cc
+++ b/src/interpreter/bytecode-dead-code-optimizer.cc
@@ -14,10 +14,10 @@ BytecodeDeadCodeOptimizer::BytecodeDeadCodeOptimizer(
 
 // override
 Handle<BytecodeArray> BytecodeDeadCodeOptimizer::ToBytecodeArray(
-    Isolate* isolate, int fixed_register_count, int parameter_count,
+    Isolate* isolate, int register_count, int parameter_count,
     Handle<FixedArray> handler_table) {
-  return next_stage_->ToBytecodeArray(isolate, fixed_register_count,
-                                      parameter_count, handler_table);
+  return next_stage_->ToBytecodeArray(isolate, register_count, parameter_count,
+                                      handler_table);
 }
 
 // override