changes.patch

diff --git a/mono/tests/exception20.cs b/mono/tests/exception20.cs
index 3337a7fe294..37ce9bfc9d7 100644
--- a/mono/tests/exception20.cs
+++ b/mono/tests/exception20.cs
@@ -13,12 +13,21 @@ class C
 {
        static CustomException e;

+       [MethodImpl(MethodImplOptions.NoInlining)]
+       static void ThrowCustomException ()
+       {
+               throw new CustomException(1);
+       }
+
+       [MethodImpl(MethodImplOptions.NoInlining)]
        static void Throw ()
        {
                try {
-                       throw new CustomException(1);
+                       ThrowCustomException ();
                } catch (CustomException ex) {
                        e = ex;
+                       // so, the original exception has two frames
+                       CheckTrace (e, 2);
                }
        }

@@ -76,6 +85,8 @@ class C

                // Single frame
                // Filter returns false
+               // Original exception @e had two frames, but after throwing here it
+               // should have just 1
                try {
                        throw e;
                } catch (Exception ex) when (CheckTrace (ex, 1, true)) {