v8: upgrade to v3.20.2

1 files changed, 8 insertions, 1 deletions

diff --git a/deps/v8/src/typing.h b/deps/v8/src/typing.h
index d8708c2ccb..2d3fac0650 100644
--- a/deps/v8/src/typing.h
+++ b/deps/v8/src/typing.h
@@ -43,7 +43,7 @@ namespace internal {
 
 class AstTyper: public AstVisitor {
  public:
-  static void Type(CompilationInfo* info);
+  static void Run(CompilationInfo* info);
 
   void* operator new(size_t size, Zone* zone) {
     return zone->New(static_cast<int>(size));
@@ -62,6 +62,13 @@ class AstTyper: public AstVisitor {
   TypeFeedbackOracle* oracle() { return &oracle_; }
   Zone* zone() const { return info_->zone(); }
 
+  void MergeLowerType(Expression* e, Handle<Type> t) {
+    e->set_lower_type(handle(Type::Union(e->lower_type(), t), isolate_));
+  }
+  void MergeUpperType(Expression* e, Handle<Type> t) {
+    e->set_upper_type(handle(Type::Intersect(e->upper_type(), t), isolate_));
+  }
+
   void VisitDeclarations(ZoneList<Declaration*>* declarations);
   void VisitStatements(ZoneList<Statement*>* statements);