try revert critical method

ICSharpCode.NRefactory.CSharp/Parser/CSharpParser.cs

@@ -2722,39 +2722,50 @@ namespace ICSharpCode.NRefactory.CSharp
                 int curComma = 0;
                 if (initLoc != null)
                     init.AddChild(new CSharpTokenNode(Convert(initLoc[0])), Roles.LBrace);
-				foreach (var expr in minit.Initializers) {
+                foreach (var expr in minit.Initializers)
+                {
                     var collectionInit = expr as CollectionElementInitializer;
-					if (collectionInit != null) {
+                    if (collectionInit != null)
+                    {
                         var parent = new ArrayInitializerExpression();
 
-						parent.AddChild (new CSharpTokenNode (Convert (expr.Location)), Roles.LBrace);
+                        var braceLocs = LocationsBag.GetLocations(expr);
+                        if (braceLocs != null)
+                            parent.AddChild(new CSharpTokenNode(Convert(braceLocs[0])), Roles.LBrace);
 
-						for (int i = 0; i < collectionInit.Arguments.Count; i++) {
+                        for (int i = 0; i < collectionInit.Arguments.Count; i++)
+                        {
                             var arg = collectionInit.Arguments[i] as CollectionElementInitializer.ElementInitializerArgument;
                             if (arg == null)
                                 continue;
                             parent.AddChild((ICSharpCode.NRefactory.CSharp.Expression)arg.Expr.Accept(this), Roles.Expression);
                         }
 
-						var braceLocs = LocationsBag.GetLocations (expr);
                         if (braceLocs != null)
-							parent.AddChild (new CSharpTokenNode (Convert (braceLocs [0])), Roles.RBrace);
+                            parent.AddChild(new CSharpTokenNode(Convert(braceLocs[1])), Roles.RBrace);
 
                         init.AddChild(parent, Roles.Expression);
-					} else {
+                    }
+                    else
+                    {
                         var eleInit = expr as ElementInitializer;
-						if (eleInit != null) {
+                        if (eleInit != null)
+                        {
                             var nexpr = new NamedExpression();
                             nexpr.AddChild(Identifier.Create(eleInit.Name, Convert(eleInit.Location)), Roles.Identifier);
                             var assignLoc = LocationsBag.GetLocations(eleInit);
                             if (assignLoc != null)
                                 nexpr.AddChild(new CSharpTokenNode(Convert(assignLoc[0])), Roles.Assign);
-							if (eleInit.Source != null) {
-								if (eleInit.Source is CollectionOrObjectInitializers) {
+                            if (eleInit.Source != null)
+                            {
+                                if (eleInit.Source is CollectionOrObjectInitializers)
+                                {
                                     var arrInit = new ArrayInitializerExpression();
                                     AddConvertCollectionOrObjectInitializers(arrInit, eleInit.Source as CollectionOrObjectInitializers);
                                     nexpr.AddChild(arrInit, Roles.Expression);
-								} else {
+                                }
+                                else
+                                {
                                     nexpr.AddChild((Expression)eleInit.Source.Accept(this), Roles.Expression);
                                 }
                             }
@@ -2766,7 +2777,8 @@ namespace ICSharpCode.NRefactory.CSharp
                         init.AddChild(new CSharpTokenNode(Convert(commaLoc[curComma++])), Roles.Comma);
 
                 }
-				if (initLoc != null) {
+                if (initLoc != null)
+                {
                     if (initLoc.Count == 3) // optional comma
                         init.AddChild(new CSharpTokenNode(Convert(initLoc[1])), Roles.Comma);
                     init.AddChild(new CSharpTokenNode(Convert(initLoc[initLoc.Count - 1])), Roles.RBrace);