Imported Upstream version 3.8.0

Former-commit-id: 6a76a29bd07d86e57c6c8da45c65ed5447d38a61

mcs/tools/linker/Mono.Linker.Steps/MarkStep.cs

@@ -290,12 +290,28 @@ namespace Mono.Linker.Steps {
 			if (CheckProcessed (assembly))
 				return;
 
+			ProcessModule (assembly);
+
 			MarkCustomAttributes (assembly);
 
 			foreach (ModuleDefinition module in assembly.Modules)
 				MarkCustomAttributes (module);
 		}
 
+		void ProcessModule (AssemblyDefinition assembly)
+		{
+			// Pre-mark <Module> if there is any methods as they need to be executed 
+			// at assembly load time
+			foreach (TypeDefinition type in assembly.MainModule.Types)
+			{
+				if (type.Name == "<Module>" && type.HasMethods)
+				{
+					MarkType (type);
+					break;
+				}
+			}
+		}
+
 		protected void MarkField (FieldReference reference)
 		{
 //			if (IgnoreScope (reference.DeclaringType.Scope))

mcs/tools/linker/Mono.Linker/LinkContext.cs

@@ -217,6 +217,14 @@ namespace Mono.Linker {
 			case "mscorlib":
 			case "Accessibility":
 			case "Mono.Security":
+				// WPF
+			case "PresentationFramework":
+			case "PresentationCore":
+			case "WindowsBase":
+			case "UIAutomationProvider":
+			case "UIAutomationTypes":
+			case "PresentationUI":
+			case "ReachFramework":
 				return true;
 			default:
 				return name.Name.StartsWith ("System")