WIP: Parser: delay string internalization.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 4dbea3f8620e05a55dd91d469a8eacea5ece4532..6b7af7de9f841223743b44a6d1136f8ce1d45242 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -38,7 +38,8 @@ CompilationInfo::CompilationInfo(Handle<Script> script,
       osr_ast_id_(BailoutId::None()),
       parameter_count_(0),
       this_has_uses_(true),
-      optimization_id_(-1) {
+      optimization_id_(-1),
+      string_table_(NULL) {
   Initialize(script->GetIsolate(), BASE, zone);
 }
 
@@ -51,7 +52,8 @@ CompilationInfo::CompilationInfo(Handle<SharedFunctionInfo> shared_info,
       osr_ast_id_(BailoutId::None()),
       parameter_count_(0),
       this_has_uses_(true),
-      optimization_id_(-1) {
+      optimization_id_(-1),
+      string_table_(NULL) {
   Initialize(script_->GetIsolate(), BASE, zone);
 }
 
@@ -66,7 +68,8 @@ CompilationInfo::CompilationInfo(Handle<JSFunction> closure,
       osr_ast_id_(BailoutId::None()),
       parameter_count_(0),
       this_has_uses_(true),
-      optimization_id_(-1) {
+      optimization_id_(-1),
+      string_table_(NULL) {
   Initialize(script_->GetIsolate(), BASE, zone);
 }
 
@@ -78,7 +81,8 @@ CompilationInfo::CompilationInfo(HydrogenCodeStub* stub,
       osr_ast_id_(BailoutId::None()),
       parameter_count_(0),
       this_has_uses_(true),
-      optimization_id_(-1) {
+      optimization_id_(-1),
+      string_table_(NULL) {
   Initialize(isolate, STUB, zone);
   code_stub_ = stub;
 }
@@ -131,6 +135,7 @@ void CompilationInfo::Initialize(Isolate* isolate,
 CompilationInfo::~CompilationInfo() {
   delete deferred_handles_;
   delete no_frame_ranges_;
+  delete string_table_;
 #ifdef DEBUG
   // Check that no dependent maps have been added or added dependent maps have
   // been rolled back or committed.