small todos

Author: dadhi

src/FastExpressionCompiler/ILReader.cs

@@ -182,6 +182,7 @@ public ILReader(IILProvider ilProvider, ITokenResolver tokenResolver)
         _byteArray = ilProvider?.GetByteArray() ?? throw new ArgumentNullException(nameof(ilProvider));
     }
 
+    // todo: @perf implement optimized IEnumerator<OpCode> which does not need to allocate ILInstruction objects
     public IEnumerator<ILInstruction> GetEnumerator()
     {
         var position = 0;

test/FastExpressionCompiler.TestsRunner/Program.cs

@@ -9,8 +9,10 @@ public class Program
     {
         public static void Main()
         {
+            // new Issue55_CompileFast_crash_with_ref_parameter().Run();
+
             // todo: @wip add to FEC, check the possibility of the increment compilation and the artifacts reusability
-            new LightExpression.UnitTests.ConstantAndConversionTests().Run();
+            // new LightExpression.UnitTests.ConstantAndConversionTests().Run();
 
             // new LightExpression.IssueTests.Issue461_InvalidProgramException_when_null_checking_type_by_ref().Run();
             // new Issue341_Equality_comparison_between_nullable_and_null_inside_Any_produces_incorrect_compiled_expression().Run();