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diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_8231/GitHub_8231.cs b/tests/src/JIT/Regression/JitBlue/GitHub_8231/GitHub_8231.cs
new file mode 100644
index 0000000000..4d2ec7628a
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+++ b/tests/src/JIT/Regression/JitBlue/GitHub_8231/GitHub_8231.cs
@@ -0,0 +1,62 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Numerics;
+using System.Runtime.CompilerServices;
+
+namespace N
+{
+    public static class C
+    {
+        // This is a regression test for a failure in loop unrolling when
+        // the unrolled loop contains a switch statement.
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        static int Test()
+        {
+            int s = 0;
+
+            // Loop to some Vector<T>.Count to trigger unrolling.
+            for (int i = 0; i < Vector<int>.Count; i++)
+            {
+                // Loop contains switch; the bug was that the clones
+                // of the switch were all sharing its BBswtDesc instead
+                // of getting their own, so updates to their jump targets
+                // were incorrectly shared.
+                switch (i)
+                {
+                    case 1: s += 4; break;
+                    case 2: s += 2; break;
+                    case 3: s += i; break;
+                }
+            }
+
+            return s;
+        }
+
+        public static int Main(string[] args)
+        {
+            int result = Test();
+
+            // Expected result is a function of Vector<int>.Count.
+            int expected;
+            switch(Vector<int>.Count)
+            {
+                case 1:
+                    expected = 4;
+                    break;
+                case 2:
+                    expected = 6;
+                    break;
+                default:
+                    expected = 9;
+                    break;
+            }
+
+            // Return 100 on success (result == expected), other
+            // values on failure.
+            return 100 + result - expected;
+        }
+   }
+}