--- original/DynamicMethodILProvider.cs	2010-02-09 14:24:32.000000000 +0100
+++ patched/DynamicMethodILProvider.cs	2013-02-03 02:35:24.000000000 +0100
@@ -6,6 +6,7 @@
 
 namespace ClrTest.Reflection {
     public class DynamicMethodILProvider : IILProvider {
+        static FieldInfo s_code = typeof(DynamicILInfo).GetField("m_code", BindingFlags.NonPublic | BindingFlags.Instance);
         static FieldInfo s_fiLen = typeof(ILGenerator).GetField("m_length", BindingFlags.NonPublic | BindingFlags.Instance);
         static FieldInfo s_fiStream = typeof(ILGenerator).GetField("m_ILStream", BindingFlags.NonPublic | BindingFlags.Instance);
         static MethodInfo s_miBakeByteArray = typeof(ILGenerator).GetMethod("BakeByteArray", BindingFlags.NonPublic | BindingFlags.Instance);
@@ -19,14 +20,24 @@
 
         public byte[] GetByteArray() {
             if (m_byteArray == null) {
-                ILGenerator ilgen = m_method.GetILGenerator();
-                try {
-                    m_byteArray = (byte[])s_miBakeByteArray.Invoke(ilgen, null);
-                    if (m_byteArray == null) m_byteArray = new byte[0];
-                } catch (TargetInvocationException) {
-                    int length = (int)s_fiLen.GetValue(ilgen);
-                    m_byteArray = new byte[length];
-                    Array.Copy((byte[])s_fiStream.GetValue(ilgen), m_byteArray, length);
+                if (m_method.GetDynamicILInfo() != null)
+                {
+                    m_byteArray = (byte[])s_code.GetValue(m_method.GetDynamicILInfo());
+                }
+                if (m_byteArray.Length == 0)
+                {
+                    ILGenerator ilgen = m_method.GetILGenerator();
+                    try
+                    {
+                        m_byteArray = (byte[])s_miBakeByteArray.Invoke(ilgen, null);
+                        if (m_byteArray == null) m_byteArray = new byte[0];
+                    }
+                    catch (TargetInvocationException)
+                    {
+                        int length = (int)s_fiLen.GetValue(ilgen);
+                        m_byteArray = new byte[length];
+                        Array.Copy((byte[])s_fiStream.GetValue(ilgen), m_byteArray, length);
+                    }
                 }
             }
             return m_byteArray;