diff --git a/deps/v8/src/compiler/graph-reducer.cc b/deps/v8/src/compiler/graph-reducer.cc
index 0abbd11e5cb8b3..b13ef2f0622ba6 100644
--- a/deps/v8/src/compiler/graph-reducer.cc
+++ b/deps/v8/src/compiler/graph-reducer.cc
@@ -263,6 +263,7 @@ void GraphReducer::ReplaceWithValue(Node* node, Node* value, Node* effect,
     DCHECK(!user->IsDead());
     if (NodeProperties::IsControlEdge(edge)) {
       if (user->opcode() == IrOpcode::kIfSuccess) {
+        DCHECK_NOT_NULL(control);
         Replace(user, control);
       } else if (user->opcode() == IrOpcode::kIfException) {
         DCHECK_NOT_NULL(dead_);