FunctionLiteral has work to do in the typing phase.

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 4e413c5426e8135642eba99ba6e148e112cdd810..13992abaf4ffc35af929e68134fe69db3c60324b 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -2301,6 +2301,8 @@ class FunctionLiteral V8_FINAL : public Expression {
   bool AllowsLazyCompilation();
   bool AllowsLazyCompilationWithoutContext();
 
+  void InitializeSharedInfo(Handle<Code> code);
+
   Handle<String> debug_name() const {
     if (name_->length() > 0) return name_;
     return inferred_name();
@@ -2311,6 +2313,9 @@ class FunctionLiteral V8_FINAL : public Expression {
     inferred_name_ = inferred_name;
   }
 
+  // shared_info may be null if it's not cached in full code.
+  Handle<SharedFunctionInfo> shared_info() { return shared_info_; }
+
   bool pretenure() { return Pretenure::decode(bitfield_); }
   void set_pretenure() { bitfield_ |= Pretenure::encode(true); }
 
@@ -2386,6 +2391,7 @@ class FunctionLiteral V8_FINAL : public Expression {
 
  private:
   Handle<String> name_;
+  Handle<SharedFunctionInfo> shared_info_;
   Scope* scope_;
   ZoneList<Statement*>* body_;
   Handle<String> inferred_name_;