[Mono-bugs] [Bug 416632] New: TypeBuilder shouldn' t add default constructor if a constructor was already defined using DefineMethod ()

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=416632


           Summary: TypeBuilder shouldn't add default constructor if a
                    constructor was already defined using DefineMethod()
           Product: Mono: Class Libraries
           Version: 2.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: CORLIB
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: jeroen at sumatra.nl
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


The following program results in an assembly with a type that has two default
constructors:

using System;
using System.Reflection;
using System.Reflection.Emit;

class Program
{
        static void Main(string[] args)
        {
                AssemblyBuilder ab =
AppDomain.CurrentDomain.DefineDynamicAssembly(new AssemblyName("Foo"),
AssemblyBuilderAccess.RunAndSave);
                ModuleBuilder modb = ab.DefineDynamicModule("Foo.exe");
                TypeBuilder tb = modb.DefineType("MyType",
TypeAttributes.Public | TypeAttributes.Class);
                MethodBuilder mb = tb.DefineMethod(".ctor",
MethodAttributes.Public | MethodAttributes.RTSpecialName |
MethodAttributes.SpecialName);
                ILGenerator ilgen = mb.GetILGenerator();
                ilgen.Emit(OpCodes.Ldarg_0);
                ilgen.Emit(OpCodes.Call,
typeof(object).GetConstructor(Type.EmptyTypes));
                ilgen.Emit(OpCodes.Ret);
                tb.CreateType();
                ab.Save("Foo.exe");
        }
}

On Microsoft .NET 2.0 this works correctly.


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