Revert of [Interpreter] Optimize BytecodeArrayBuilder and BytecodeArrayWriter.

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

Index: test/unittests/interpreter/bytecode-register-optimizer-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-register-optimizer-unittest.cc b/test/unittests/interpreter/bytecode-register-optimizer-unittest.cc
index 072a3121d37cd7b711d78e171229e4e056965c43..ca69026fda81f712a01efe11064dcdb5f1ab810a 100644
--- a/test/unittests/interpreter/bytecode-register-optimizer-unittest.cc
+++ b/test/unittests/interpreter/bytecode-register-optimizer-unittest.cc
@@ -74,8 +74,8 @@
 
 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());
@@ -83,8 +83,8 @@
 
 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());
@@ -97,7 +97,7 @@
   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);