Improve ILRange output in ILAst

ICSharpCode.Decompiler/IL/InstructionOutputExtensions.cs

@@ -59,7 +59,7 @@ namespace ICSharpCode.Decompiler.IL
 			if (interval.IsEmpty)
 				output.Write("[empty] ");
 			else
-				output.Write($"[{interval.Start}..{interval.InclusiveEnd}] ");
+				output.Write($"[{interval.Start:x4}..{interval.InclusiveEnd:x4}] ");
 		}
 	}
 }

ICSharpCode.Decompiler/IL/Instructions/ILFunction.cs

@@ -85,6 +85,7 @@ namespace ICSharpCode.Decompiler.IL
 
 		public override void WriteTo(ITextOutput output, ILAstWritingOptions options)
 		{
+			ILRange.WriteTo(output, options);
 			output.Write(OpCode);
 			if (Method != null) {
 				output.Write(' ');