Version 3.20.15

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 0812472d0ecc3042e9f05b0848ff6dcd802f90f0..f14156f93c6235582325d7894be735c43cb69290 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -291,6 +291,7 @@ class SmallMapList {
   }
 
   void Add(Handle<Map> handle, Zone* zone) {
+    ASSERT(!handle->is_deprecated());
     list_.Add(handle.location(), zone);
   }
 
@@ -1826,6 +1827,8 @@ class UnaryOperation: public Expression {
  public:
   DECLARE_NODE_TYPE(UnaryOperation)
 
+  virtual bool ResultOverwriteAllowed();
+
   Token::Value op() const { return op_; }
   Expression* expression() const { return expression_; }
   virtual int position() const { return pos_; }
@@ -1833,6 +1836,8 @@ class UnaryOperation: public Expression {
   BailoutId MaterializeTrueId() { return materialize_true_id_; }
   BailoutId MaterializeFalseId() { return materialize_false_id_; }
 
+  TypeFeedbackId UnaryOperationFeedbackId() const { return reuse(id()); }
+
   virtual void RecordToBooleanTypeFeedback(TypeFeedbackOracle* oracle);
 
  protected: