[turbofan] New operator for loads of DYNAMIC_[GLOBAL,LOCAL].

src/compiler/typer.cc

Index: src/compiler/typer.cc
diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc
index dafd3c95a128f317d0033d1d0b6aeb2e0441f0a2..b847b683bff96fdf6ef2e1b71effd9553e3ac8c5 100644
--- a/src/compiler/typer.cc
+++ b/src/compiler/typer.cc
@@ -1506,6 +1506,16 @@ Bounds Typer::Visitor::TypeJSStoreContext(Node* node) {
 }
 
 
+Bounds Typer::Visitor::TypeJSLoadDynamicGlobal(Node* node) {
+  return Bounds::Unbounded(zone());
+}
+
+
+Bounds Typer::Visitor::TypeJSLoadDynamicContext(Node* node) {
+  return Bounds::Unbounded(zone());
+}
+
+
 Bounds Typer::Visitor::WrapContextBoundsForInput(Node* node) {
   Bounds outer = BoundsOrNone(NodeProperties::GetContextInput(node));
   if (outer.upper->Is(Type::None())) {