Revert "Fix compilation with C++11." and "Allocation site support for monomorphic StringAdds in Bin…

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 3fabfddec26fe91696b8c3990b22311fab183e46..f8de9be0e9cba4293c8c5498afcd8f9b4c707388 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -1936,10 +1936,6 @@ class BinaryOperation V8_FINAL : public Expression {
   Token::Value op() const { return op_; }
   Expression* left() const { return left_; }
   Expression* right() const { return right_; }
-  Handle<AllocationSite> allocation_site() const { return allocation_site_; }
-  void set_allocation_site(Handle<AllocationSite> allocation_site) {
-    allocation_site_ = allocation_site;
-  }
 
   BailoutId RightId() const { return right_id_; }
 
@@ -1968,7 +1964,6 @@ class BinaryOperation V8_FINAL : public Expression {
   Token::Value op_;
   Expression* left_;
   Expression* right_;
-  Handle<AllocationSite> allocation_site_;
 
   // TODO(rossberg): the fixed arg should probably be represented as a Constant
   // type for the RHS.