Fixed AppDomainAssemblyClassLoader to ignore AssemblyBuilders.

runtime/common.cs

@@ -535,12 +535,30 @@ namespace IKVM.NativeCode.ikvm.runtime
 	{
 		public static object loadClassFromAssembly(Assembly asm, string className)
 		{
+			if(asm is System.Reflection.Emit.AssemblyBuilder)
+			{
+				return null;
+			}
+			if(asm.Equals(DynamicClassLoader.Instance.ModuleBuilder.Assembly))
+			{
+				// this can happen on Orcas, where an AssemblyBuilder has a corresponding Assembly
+				return null;
+			}
 			TypeWrapper tw = ClassLoaderWrapper.GetAssemblyClassLoader(asm).DoLoad(className);
 			return tw != null ? tw.ClassObject : null;
 		}
 
 		public static bool findResourceInAssembly(Assembly asm, string resourceName)
 		{
+			if(asm is System.Reflection.Emit.AssemblyBuilder)
+			{
+				return false;
+			}
+			if(asm.Equals(DynamicClassLoader.Instance.ModuleBuilder.Assembly))
+			{
+				// this can happen on Orcas, where an AssemblyBuilder has a corresponding Assembly
+				return false;
+			}
 			return asm.GetManifestResourceInfo(JVM.MangleResourceName(resourceName)) != null;
 		}
 	}