Address comments from @grendello

Author: jonpryor

src/Java.Interop.Export/Java.Interop/MarshalMemberBuilder.cs

@@ -278,7 +278,7 @@ public LambdaExpression CreateMarshalToManagedExpression (MethodInfo method, Jav
 						typeof (object),
 						typeof (IntPtr)
 					};
-					marshalDelegateTypes = new ();
+					marshalDelegateTypes = new (StringComparer.Ordinal);
 				}
 				if (marshalDelegateTypes!.TryGetValue (name, out var type)) {
 					return type;

src/Java.Interop.Tools.Expressions/Java.Interop.Tools.Expressions/CecilCompilerExpressionVisitor.cs

@@ -295,8 +295,7 @@ protected override Expression VisitInvocation (
 
 	List<Instruction> GetFixupsForLabelTarget (LabelTarget target)
 	{
-		List<Instruction>? fixups;
-		if (!returnFixups.TryGetValue (target, out fixups)) {
+		if (!returnFixups.TryGetValue (target, out List<Instruction>? fixups)) {
 			returnFixups.Add (target, fixups = new ());
 		}
 		return fixups;
@@ -313,7 +312,7 @@ protected override Expression VisitLabel (
 	{
 		Logger (TraceLevel.Verbose, $"# jonp: CecilCompilerExpressionVisitor.VisitLabel: {node}");
 		var target = il.Body.Instructions.Last ();
-		if (returnFixups.TryGetValue (node.Target, out var fixups)) {
+		if (returnFixups.TryGetValue (node.Target, out List<Instruction>? fixups)) {
 			foreach (var replace in fixups) {
 				Logger (TraceLevel.Verbose, $"# jonp: VisitLabel: replacing instruction `{replace}` w/ `leave {target}");
 				Debug.Assert (replace.OpCode == OpCodes.Ret || replace.OpCode == OpCodes.Nop);

src/Java.Interop.Tools.Expressions/Java.Interop.Tools.Expressions/ExpressionAssemblyBuilder.cs

@@ -367,7 +367,7 @@ void FillVariables (
 		var variableVisitor = new VariableExpressionVisitor (variables.Keys, Logger);
 		variableVisitor.Visit (e);
 
-		Console.WriteLine ($"# jonp: filling {variableVisitor.Variables.Count} variables");
+		Logger (TraceLevel.Verbose, $"# jonp: filling {variableVisitor.Variables.Count} variables");
 		for (int i = 0; i < variableVisitor.Variables.Count; ++i) {
 			var c = variableVisitor.Variables [i];
 			var d = new VariableDefinition (declaringAssembly.MainModule.ImportReference (c.Type));
@@ -397,7 +397,7 @@ void FillVariables (
 			if (c == variableVisitor.ReturnValue) {
 				ReturnValue = v;
 			}
-			Console.WriteLine ($"# jonp: FillVariables: local var {c.Name} is index {i}");
+			Logger (TraceLevel.Verbose, $"# jonp: FillVariables: local var {c.Name} is index {i}");
 		}
 	}
 }