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diff --git a/tests/src/JIT/Regression/JitBlue/DevDiv_284785/DevDiv_284785.cs b/tests/src/JIT/Regression/JitBlue/DevDiv_284785/DevDiv_284785.cs
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@@ -0,0 +1,39 @@
+// 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.
+
+// This test exercises expression folding in the place of overflowing operations. The original failure was SBCG due to
+// an incorrect application of the same: in the program below, the checked int -> ulong cast on line 24 was folded to a
+// long -> ulong cast with an incorrect constant value that fit in a ulong, resulting in no overflow exception being
+// thrown.
+
+using System;
+
+static class C
+{
+ static int Main()
+ {
+ int i = -4;
+ ulong l = 0;
+
+ int rv = 0;
+ try
+ {
+ checked
+ {
+ l = (ulong)i;
+ }
+ }
+ catch (OverflowException)
+ {
+ rv = 100;
+ }
+ catch (Exception)
+ {
+ i = 0;
+ l = 0;
+ }
+
+ return rv;
+ }
+}