Remove empty 'else body' of 'if' statement.

Decompiler.csproj

@@ -64,6 +64,7 @@
     <Compile Include="src\StackExpression.cs" />
     <Compile Include="src\StackExpressionCollection.cs" />
     <Compile Include="src\Transforms\Ast\RemoveDeadLabels.cs" />
+    <Compile Include="src\Transforms\Ast\RemoveEmptyElseBody.cs" />
     <Compile Include="src\Transforms\Ast\RemoveGotos.cs" />
     <Compile Include="src\Transforms\Ast\SimplifyTypeReferences.cs" />
     <Compile Include="src\Util.cs" />

src/AstBuilder.cs

@@ -27,6 +27,7 @@ namespace Decompiler
 			astCompileUnit.AcceptVisitor(new Transforms.Ast.RemoveGotos(), null);
 			astCompileUnit.AcceptVisitor(new Transforms.Ast.RemoveDeadLabels(), null);
 			astCompileUnit.AcceptVisitor(new Transforms.Ast.SimplifyTypeReferences(), null);
+			astCompileUnit.AcceptVisitor(new Transforms.Ast.RemoveEmptyElseBody(), null);
 
 			
 			astCompileUnit.AcceptVisitor(csOutVisitor, null);

src/Transforms/Ast/RemoveEmptyElseBody.cs

@@ -0,0 +1,23 @@
+using System;
+
+using Ast = ICSharpCode.NRefactory.Ast;
+using ICSharpCode.NRefactory.Ast;
+using ICSharpCode.NRefactory.Visitors;
+
+namespace Decompiler.Transforms.Ast
+{
+	public class RemoveEmptyElseBody: AbstractAstTransformer
+	{
+		public override object VisitIfElseStatement(IfElseStatement ifElseStatement, object data)
+		{
+			base.VisitIfElseStatement(ifElseStatement, data);
+			if (ifElseStatement.FalseStatement.Count == 1 &&
+			    ifElseStatement.FalseStatement[0] is MyBlockStatement &&
+			    ifElseStatement.FalseStatement[0].Children.Count == 0)
+			{
+				ifElseStatement.FalseStatement.Clear();
+			}
+			return null;
+		}
+	}
+}