Revert remove dead hole check logic

src/compiler/ast-graph-builder.h

Index: src/compiler/ast-graph-builder.h
diff --git a/src/compiler/ast-graph-builder.h b/src/compiler/ast-graph-builder.h
index 0211c721530b9022671ca8176c9b614c23f664b6..975e08094c4752da0d7da5baf56c920f0a6e62ff 100644
--- a/src/compiler/ast-graph-builder.h
+++ b/src/compiler/ast-graph-builder.h
@@ -309,8 +309,15 @@ class AstGraphBuilder : public AstVisitor<AstGraphBuilder> {
 
   // Builders for error reporting at runtime.
   Node* BuildThrowError(Node* exception, BailoutId bailout_id);
+  Node* BuildThrowReferenceError(Variable* var, BailoutId bailout_id);
   Node* BuildThrowConstAssignError(BailoutId bailout_id);
 
+  // Builders for dynamic hole-checks at runtime.
+  Node* BuildHoleCheckThenThrow(Node* value, Variable* var, Node* not_hole,
+                                BailoutId bailout_id);
+  Node* BuildHoleCheckElseThrow(Node* value, Variable* var, Node* for_hole,
+                                BailoutId bailout_id);
+
   // Builders for non-local control flow.
   Node* BuildReturn(Node* return_value);
   Node* BuildThrow(Node* exception_value);