Revert of [Interpreter] Optimize BytecodeArrayBuilder and BytecodeArrayWriter.

test/unittests/interpreter/bytecode-register-optimizer-unittest.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/factory.h"
 #include "src/interpreter/bytecode-label.h"
 #include "src/interpreter/bytecode-register-optimizer.h"
 #include "src/objects-inl.h"
@@ skipping 56 matching lines @@
 TEST_F(BytecodeRegisterOptimizerTest, WriteNop) {
   Initialize(1, 1);
   BytecodeNode node(Bytecode::kNop);
   optimizer()->Write(&node);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(node, last_written());
 }
 
 TEST_F(BytecodeRegisterOptimizerTest, WriteNopExpression) {
   Initialize(1, 1);
-  BytecodeSourceInfo source_info(3, false);
-  BytecodeNode node(Bytecode::kNop, &source_info);
+  BytecodeNode node(Bytecode::kNop);
+  node.source_info().MakeExpressionPosition(3);
   optimizer()->Write(&node);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(node, last_written());
 }
 
 TEST_F(BytecodeRegisterOptimizerTest, WriteNopStatement) {
   Initialize(1, 1);
-  BytecodeSourceInfo source_info(3, true);
   BytecodeNode node(Bytecode::kNop);
+  node.source_info().MakeStatementPosition(3);
   optimizer()->Write(&node);
   CHECK_EQ(write_count(), 1);
   CHECK_EQ(node, last_written());
 }
 
 TEST_F(BytecodeRegisterOptimizerTest, TemporaryMaterializedForJump) {
   Initialize(1, 1);
   Register temp = NewTemporary();
   BytecodeNode node(Bytecode::kStar, temp.ToOperand());
   optimizer()->Write(&node);
   CHECK_EQ(write_count(), 0);
   BytecodeLabel label;
-  BytecodeNode jump(Bytecode::kJump, 0, nullptr);
+  BytecodeNode jump(Bytecode::kJump, 0);
   optimizer()->WriteJump(&jump, &label);
   CHECK_EQ(write_count(), 2);
   CHECK_EQ(output()->at(0).bytecode(), Bytecode::kStar);
   CHECK_EQ(output()->at(0).operand(0), temp.ToOperand());
   CHECK_EQ(output()->at(1).bytecode(), Bytecode::kJump);
 }
 
 TEST_F(BytecodeRegisterOptimizerTest, TemporaryMaterializedForBind) {
   Initialize(1, 1);
   Register temp = NewTemporary();
@@ skipping 99 matching lines @@
 
   CHECK_EQ(output()->at(3).bytecode(), Bytecode::kCallJSRuntime);
   CHECK_EQ(output()->at(3).operand(0), 0);
   CHECK_EQ(output()->at(3).operand(1), temp0.ToOperand());
   CHECK_EQ(output()->at(3).operand(2), 2);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8