diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/ConstructorDataFlow.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/ConstructorDataFlow.cs
index 60309e3acdc96f..88d1a4fc10c8d8 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/ConstructorDataFlow.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/ConstructorDataFlow.cs
@@ -18,6 +18,7 @@ public class ConstructorDataFlow
         public static void Main()
         {
             DataFlowInConstructor.Test();
+            DataFlowInPrimaryConstructor.Test();
             DataFlowInStaticConstructor.Test();
         }
 
@@ -95,6 +96,18 @@ public static void Test()
             }
         }
 
+        class DataFlowInPrimaryConstructor(Type type)
+        {
+            [ExpectedWarning("IL2069", nameof(annotatedField), nameof(type))]
+            [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)]
+            Type annotatedField = type;
+
+            public static void Test()
+            {
+                new DataFlowInPrimaryConstructor(null);
+            }
+        }
+
         class DataFlowInStaticConstructor
         {
             [ExpectedWarning("IL2072", nameof(GetUnknown), nameof(RequireAll))]