1 files changed, 47 insertions, 0 deletions
diff --git a/src/mscorlib/shared/System/ExecutionEngineException.cs b/src/mscorlib/shared/System/ExecutionEngineException.cs
new file mode 100644
index 0000000000..bebfd493a0
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+++ b/src/mscorlib/shared/System/ExecutionEngineException.cs
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+// 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.
+
+//
+//
+/*=============================================================================
+**
+**
+**
+** Purpose: The exception class for misc execution engine exceptions.
+**          Currently, its only used as a placeholder type when the EE
+**          does a FailFast.
+**
+**
+=============================================================================*/
+
+using System;
+using System.Runtime.Serialization;
+
+namespace System
+{
+    [Obsolete("This type previously indicated an unspecified fatal error in the runtime. The runtime no longer raises this exception so this type is obsolete.")]
+    [Serializable]
+    public sealed class ExecutionEngineException : SystemException
+    {
+        public ExecutionEngineException()
+            : base(SR.Arg_ExecutionEngineException)
+        {
+            HResult = __HResults.COR_E_EXECUTIONENGINE;
+        }
+
+        public ExecutionEngineException(String message)
+            : base(message)
+        {
+            HResult = __HResults.COR_E_EXECUTIONENGINE;
+        }
+
+        public ExecutionEngineException(String message, Exception innerException)
+            : base(message, innerException)
+        {
+            HResult = __HResults.COR_E_EXECUTIONENGINE;
+        }
+
+        internal ExecutionEngineException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+    }
+}