diff --git a/pkg/compiler/lib/src/ssa/builder_kernel.dart b/pkg/compiler/lib/src/ssa/builder_kernel.dart
index 257c019..1c0a232 100644
--- a/pkg/compiler/lib/src/ssa/builder_kernel.dart
+++ b/pkg/compiler/lib/src/ssa/builder_kernel.dart
@@ -6876,6 +6876,12 @@
   }
 
   @override
+  visitConstantExpression(ir.ConstantExpression node) {
+    registerRegularNode();
+    registerReductiveNode();
+  }
+
+  @override
   visitReturnStatement(ir.ReturnStatement node) {
     registerRegularNode();
     node.visitChildren(this);