Preparse functions in the scope that was created when parsing of the function was started

src/parsing/parser-base.h

Index: src/parsing/parser-base.h
diff --git a/src/parsing/parser-base.h b/src/parsing/parser-base.h
index 47d96d2ddbd1af14486c3cfee884e016f244c06d..4379dc211009fe2dbf407ca288a0276e28dbdf18 100644
--- a/src/parsing/parser-base.h
+++ b/src/parsing/parser-base.h
@@ -381,9 +381,14 @@ class ParserBase {
   class FunctionState final : public ScopeState {
    public:
     FunctionState(FunctionState** function_state_stack,
-                  ScopeState** scope_stack, Scope* scope, FunctionKind kind);
+                  ScopeState** scope_stack, DeclarationScope* scope,
+                  FunctionKind kind);
     ~FunctionState();
 
+    DeclarationScope* scope() {

[marja, 2016/09/26 12:38:27]

Should this be const?

And even better, can it return const DeclarationScope*?

+      return ScopeState::scope()->AsDeclarationScope();
+    }
+
     int NextMaterializedLiteralIndex() {
       return next_materialized_literal_index_++;
     }
@@ -1449,7 +1454,7 @@ class ParserBase {
 template <typename Impl>
 ParserBase<Impl>::FunctionState::FunctionState(
     FunctionState** function_state_stack, ScopeState** scope_stack,
-    Scope* scope, FunctionKind kind)
+    DeclarationScope* scope, FunctionKind kind)
     : ScopeState(scope_stack, scope),
       next_materialized_literal_index_(0),
       expected_property_count_(0),