Very strange linker error

[Mafi]

Am 23.07.2011 17:10, schrieb Mafi:
> I'm trying to rebuild my projects with new dmd and after fixing some
> minor issues in my code I get the following:
>
> Warning: As of Phobos 2.054, std.file.listDir has been scheduled for
> deprecation in August 2011. Please use std.file.dirEntries instead.
>
> OPTLINK (R) for Win32 Release 8.00.12
> Copyright (C) Digital Mars 1989-2010 All rights reserved.
> http://www.digitalmars.com/ctg/optlink.html
> obj\main.obj(main) Offset 35B56H Record Type 00C3
> Error 1: Previous Definition Different : _D5mysdl5input8Joystick6__ctorM
> --- errorlevel 1
>
> So I went to http://www.digitalmars.com/d/2.0/abi.html (which I by the
> wy couldn't find on d-p-l.org) and it seems to be an incorrect mangling
> because there's no 'type' after M but maybe it's a special case for the
> constructor.
>
> So looked for mysdl.input.Joystick.this(...). The struct (!) Joystick in
> input.d has two constructors:
>
> public this(SDL_Joystick* somePtr) {
> this.joyptr = somePtr;
> }
>
> public this(int index)
> in {
> assert(index >= 0);
> assert(index < Joystick.getCount());
> } body {
> this(SDL_JoystickOpen(index));
> }
>
> No overlaping. So I went dumping all my object files and I found that
> dmd generated this strange sambol in input.obj twice. So it's not
> optlink's fault but dmd's!
>
> I'd really like to solve this problem because otherwise this would be
> second release in a row that I can't use.
> The worst thing is I don't even now any ugly workaround. :(
>
> Mafi

I commented out the first contructor and inlined it into the other: no 
linker errors.
But it used to compile with two constructors. If it's ok that it does 
not compile, the compiler should catch it and not the linker IMO.

Is it a bug in the compiler??

Mafi