Fixed unintended interaction between object initializers and anonymous methods.

ICSharpCode.Decompiler/Ast/Transforms/DelegateConstruction.cs

@@ -111,6 +111,8 @@ namespace ICSharpCode.Decompiler.Ast.Transforms
 		{
 			if (!context.Settings.AnonymousMethods)
 				return false; // anonymous method decompilation is disabled
+			if (target != null && !(target is IdentifierExpression || target is ThisReferenceExpression || target is NullReferenceExpression))
+				return false; // don't copy arbitrary expressions, deal with identifiers only
 			
 			// Anonymous methods are defined in the same assembly
 			MethodDefinition method = methodRef.ResolveWithinSameModule();
@@ -175,7 +177,7 @@ namespace ICSharpCode.Decompiler.Ast.Transforms
 			return true;
 		}
 		
-		static bool IsPotentialClosure(DecompilerContext context, TypeDefinition potentialDisplayClass)
+		internal static bool IsPotentialClosure(DecompilerContext context, TypeDefinition potentialDisplayClass)
 		{
 			if (potentialDisplayClass == null || !potentialDisplayClass.IsCompilerGeneratedOrIsInCompilerGeneratedClass())
 				return false;

ICSharpCode.Decompiler/ILAst/InitializerPeepholeTransforms.cs

@@ -164,6 +164,11 @@ namespace ICSharpCode.Decompiler.ILAst
 					return false;
 			} else {
 				// Object Initializer
+				
+				// don't use object initializer syntax for closures
+				if (Ast.Transforms.DelegateConstruction.IsPotentialClosure(context, ctor.DeclaringType.ResolveWithinSameModule()))
+					return false;
+				
 				initializer = new ILExpression(ILCode.InitObject, null, newObjExpr);
 				pos++;
 				while (pos < body.Count) {