Port more C# unit tests

The project files were generated automatically from a database
and the source files scrubbed and formatted.

In addition, some added tests are still failing. Issues were
created for these and exclusions added, for windows and for
non-windows.

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/src/JIT/Regression/CLR-x86-JIT/V1-M12-Beta2/b56772/b56772.cs b/tests/src/JIT/Regression/CLR-x86-JIT/V1-M12-Beta2/b56772/b56772.cs
new file mode 100644
index 0000000000..a2053fcb64
--- /dev/null
+++ b/tests/src/JIT/Regression/CLR-x86-JIT/V1-M12-Beta2/b56772/b56772.cs
@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+using System.Text;
+
+public class InternTest
+{
+    public static int Main(String[] args)
+    {
+        StringBuilder sb = new StringBuilder().Append('A').Append('B').Append('C');
+
+        switch (sb.ToString())
+        {
+            case "ABC":
+                Console.WriteLine("Worked Correctly");
+                return 100;
+            default:
+                Console.WriteLine("FAILED!");
+                return 1;
+        }
+    }
+}
\ No newline at end of file