diff --git a/src/coreclr/nativeaot/Runtime/thread.cpp b/src/coreclr/nativeaot/Runtime/thread.cpp
index cd470e479e388..b84b01f3da860 100644
--- a/src/coreclr/nativeaot/Runtime/thread.cpp
+++ b/src/coreclr/nativeaot/Runtime/thread.cpp
@@ -1146,7 +1146,7 @@ FORCEINLINE bool Thread::InlineTryFastReversePInvoke(ReversePInvokeFrame * pFram
         return false; // bad transition
     }
 
-    // this is an ordinary transition to managed code
+    // This is an ordinary transition to managed code
     // GC threads should not do that
     ASSERT(!IsGCSpecial());
 
diff --git a/src/libraries/System.Runtime.InteropServices/tests/System.Runtime.InteropServices.UnitTests/System/Runtime/InteropServices/Marshal/Common/COMWrappersImpl.cs b/src/libraries/System.Runtime.InteropServices/tests/System.Runtime.InteropServices.UnitTests/System/Runtime/InteropServices/Marshal/Common/COMWrappersImpl.cs
index f6b7180c299e3..861e0fc85f596 100644
--- a/src/libraries/System.Runtime.InteropServices/tests/System.Runtime.InteropServices.UnitTests/System/Runtime/InteropServices/Marshal/Common/COMWrappersImpl.cs
+++ b/src/libraries/System.Runtime.InteropServices/tests/System.Runtime.InteropServices.UnitTests/System/Runtime/InteropServices/Marshal/Common/COMWrappersImpl.cs
@@ -3,6 +3,7 @@
 
 using System.Collections;
 using System.Runtime.CompilerServices;
+using System.Threading;
 using Xunit;
 
 namespace System.Runtime.InteropServices.Tests.Common
@@ -39,5 +40,17 @@ protected override object CreateObject(IntPtr externalComObject, CreateObjectFla
 
         protected override void ReleaseObjects(IEnumerable objects)
             => throw new NotImplementedException();
+
+        [ModuleInitializer]
+        internal static void GcStress()
+        {
+            var t = new Thread(() => {
+                var a = new object[1_000_000];
+                var r = new Random();
+                for (;;) { a[r.Next(a.Length)] = new byte[r.Next(300)]; }
+            });
+            t.IsBackground = true;
+            t.Start();
+        }
     }
 }