Use default symbol writer provider

src/Avalonia.Build.Tasks/XamlCompilerTaskExecutor.cs

@@ -347,8 +347,7 @@ namespace Avalonia.Build.Tasks
             
             asm.Write(output, new WriterParameters
             {
-                WriteSymbols = true,
-                SymbolWriterProvider = new PortablePdbWriterProvider(),
+                WriteSymbols = asm.MainModule.HasSymbols
             });
 
             return new CompileResult(true, true);

src/Markup/Avalonia.Markup.Xaml/XamlIl/xamlil.github

@@ -1 +1 @@
-Subproject commit 560a8efabf4fe01aa759539b106ec3f5000d267c
+Subproject commit 3b3c1f93a566080d417b9782f9cc4ea67cd62344