[turbofan] Add an operator to access the parent frame pointer

src/compiler/typer.cc

Index: src/compiler/typer.cc
diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc
index 973deb86603e1d39972944b7d33acf8b6cb218a8..7397170b730ca348deba450ac4dd57d0d81084a3 100644
--- a/src/compiler/typer.cc
+++ b/src/compiler/typer.cc
@@ -2405,6 +2405,9 @@ Type* Typer::Visitor::TypeLoadFramePointer(Node* node) {
   return Type::Internal();
 }
 
+Type* Typer::Visitor::TypeLoadParentFramePointer(Node* node) {
+  return Type::Internal();
+}
 
 Type* Typer::Visitor::TypeCheckedLoad(Node* node) { return Type::Any(); }