[XC] fix x:Static for non-int enums (#32171)

* [XC] fix x:Static for non-int enums

- fixes #32056

* fix test

Author: StephaneDelcroix

src/Controls/src/Build.Tasks/CompiledMarkupExtensions/StaticExtension.cs

@@ -68,7 +68,16 @@ public IEnumerable<Instruction> ProvideValue(ElementNode node, ModuleDefinition
 						return [Instruction.Create(OpCodes.Ldc_I8, (ulong)fieldDef.Constant)];
 					if (fieldDef.Constant is uint)
 						return [Instruction.Create(OpCodes.Ldc_I4, (uint)fieldDef.Constant)];
-					//everything else will cast just fine to an int
+					if (fieldDef.Constant is byte)
+						return [Instruction.Create(OpCodes.Ldc_I4, (int)(byte)fieldDef.Constant)];
+						if (fieldDef.Constant is sbyte)
+						return [Instruction.Create(OpCodes.Ldc_I4, (int)(sbyte)fieldDef.Constant)];
+					if (fieldDef.Constant is short)
+						return [Instruction.Create(OpCodes.Ldc_I4, (int)(short)fieldDef.Constant)];
+					if (fieldDef.Constant is ushort)
+						return [Instruction.Create(OpCodes.Ldc_I4, (int)(ushort)fieldDef.Constant)];
+
+					//fallback
 					return [Instruction.Create(OpCodes.Ldc_I4, (int)fieldDef.Constant)];
 				}
 			}

src/Controls/tests/Xaml.UnitTests/Issues/Maui32056.xaml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:Microsoft.Maui.Controls.Xaml.UnitTests"
+             x:Class="Microsoft.Maui.Controls.Xaml.UnitTests.Maui32056"
+             Title="Maui32056">
+    <Label
+        x:Name="label0"
+        Text="{Binding Source={Static local:Maui32056Enum.A}, Path=.}" />
+</ContentPage>

src/Controls/tests/Xaml.UnitTests/Issues/Maui32056.xaml.cs

@@ -0,0 +1,46 @@
+using Microsoft.Maui.ApplicationModel;
+using Microsoft.Maui.Controls.Core.UnitTests;
+using Microsoft.Maui.Dispatching;
+using Microsoft.Maui.UnitTests;
+using NUnit.Framework;
+
+namespace Microsoft.Maui.Controls.Xaml.UnitTests;
+
+    public enum Maui32056Enum : byte
+    {
+        A = 0,
+        B = 1
+    }
+
+public partial class Maui32056 : ContentPage
+{
+	public Maui32056()
+	{
+		InitializeComponent();
+	}
+
+	[TestFixture]
+	class Test
+	{
+		[SetUp]
+		public void Setup()
+		{
+			Application.SetCurrentApplication(new MockApplication());
+			DispatcherProvider.SetCurrent(new DispatcherProviderStub());
+		}
+
+		[TearDown] public void TearDown() => AppInfo.SetCurrent(null);
+
+		[Test]
+		public void ByteEnum([Values] XamlInflator inflator)
+		{
+			if (inflator == XamlInflator.XamlC)
+			{
+				MockCompiler.Compile(typeof(Maui32056), out var methodDef, out var hasLoggedErrors);
+				Assert.IsFalse(hasLoggedErrors);
+			}
+			var page = new Maui32056(inflator);
+			Assert.AreEqual(Maui32056Enum.A.ToString(), page.label0.Text);			
+		}
+	}
+}