Add three string constants from parser to the root-set.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/62143002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17531 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

include/v8.h

@@ -5414,7 +5414,7 @@ class Internals {
   static const int kNullValueRootIndex = 7;
   static const int kTrueValueRootIndex = 8;
   static const int kFalseValueRootIndex = 9;
-  static const int kEmptyStringRootIndex = 132;
+  static const int kEmptyStringRootIndex = 134;
 
   static const int kNodeClassIdOffset = 1 * kApiPointerSize;
   static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;

src/func-name-inferrer.cc

@@ -62,7 +62,7 @@ void FuncNameInferrer::PushLiteralName(Handle<String> name) {
 
 
 void FuncNameInferrer::PushVariableName(Handle<String> name) {
-  if (IsOpen() && !isolate()->heap()->result_string()->Equals(*name)) {
+  if (IsOpen() && !isolate()->heap()->dot_result_string()->Equals(*name)) {
     names_stack_.Add(Name(name, kVariableName), zone());
   }
 }

src/heap.h

@@ -209,8 +209,10 @@ namespace internal {
   V(Boolean_string, "Boolean")                                           \
   V(callee_string, "callee")                                             \
   V(constructor_string, "constructor")                                   \
-  V(result_string, ".result")                                            \
+  V(dot_result_string, ".result")                                        \
   V(dot_for_string, ".for.")                                             \
+  V(dot_iterator_string, ".iterator")                                    \
+  V(dot_generator_object_string, ".generator_object")                    \
   V(eval_string, "eval")                                                 \
   V(empty_string, "")                                                    \
   V(function_string, "function")                                         \

src/parser.cc

@@ -2623,13 +2623,10 @@ void Parser::InitializeForEachStatement(ForEachStatement* stmt,
 
   if (for_of != NULL) {
     Factory* heap_factory = isolate()->factory();
-    Handle<String> iterator_str = heap_factory->InternalizeOneByteString(
-        STATIC_ASCII_VECTOR(".iterator"));
-    Handle<String> result_str = heap_factory->InternalizeOneByteString(
-        STATIC_ASCII_VECTOR(".result"));
-    Variable* iterator =
-        top_scope_->DeclarationScope()->NewTemporary(iterator_str);
-    Variable* result = top_scope_->DeclarationScope()->NewTemporary(result_str);
+    Variable* iterator = top_scope_->DeclarationScope()->NewTemporary(
+        heap_factory->dot_iterator_string());
+    Variable* result = top_scope_->DeclarationScope()->NewTemporary(
+        heap_factory->dot_result_string());
 
     Expression* assign_iterator;
     Expression* next_result;
@@ -4252,9 +4249,8 @@ FunctionLiteral* Parser::ParseFunctionLiteral(
       // in a temporary variable, a definition that is used by "yield"
       // expressions.  Presence of a variable for the generator object in the
       // FunctionState indicates that this function is a generator.
-      Handle<String> tempname = isolate()->factory()->InternalizeOneByteString(
-          STATIC_ASCII_VECTOR(".generator_object"));
-      Variable* temp = top_scope_->DeclarationScope()->NewTemporary(tempname);
+      Variable* temp = top_scope_->DeclarationScope()->NewTemporary(
+          isolate()->factory()->dot_generator_object_string());
       function_state.set_generator_object_variable(temp);
     }
 

src/rewriter.cc

@@ -263,7 +263,7 @@ bool Rewriter::Rewrite(CompilationInfo* info) {
   ZoneList<Statement*>* body = function->body();
   if (!body->is_empty()) {
     Variable* result = scope->NewTemporary(
-        info->isolate()->factory()->result_string());
+        info->isolate()->factory()->dot_result_string());
     Processor processor(result, info->zone());
     processor.Process(body);
     if (processor.HasStackOverflow()) return false;

src/scopes.cc

@@ -1302,7 +1302,7 @@ void Scope::AllocateParameterLocals() {
 
 void Scope::AllocateNonParameterLocal(Variable* var) {
   ASSERT(var->scope() == this);
-  ASSERT(!var->IsVariable(isolate_->factory()->result_string()) ||
+  ASSERT(!var->IsVariable(isolate_->factory()->dot_result_string()) ||
          !var->IsStackLocal());
   if (var->IsUnallocated() && MustAllocate(var)) {
     if (MustAllocateInContext(var)) {