Ldc vs dmd vs gdc

[Rikki Cattermole via Digitalmars-d]

On 26/12/2014 10:30 p.m., Iain Buclaw via Digitalmars-d wrote:
> On 26 Dec 2014 07:25, "Rikki Cattermole via Digitalmars-d"
> <digitalmars-d at puremagic.com <mailto:digitalmars-d at puremagic.com>> wrote:
>  >
>  > On Monday, 15 December 2014 at 08:25:16 UTC, Rikki Cattermole wrote:
>  >>
>  >> I found a little interesting difference between ldc, dmd and gdc today.
>  >> Summarized in ldc it does not allow you to have multiple extern c'd
> function prototypes with different parameters but same mangling aka name.
>  >>
>  >> In dmd and gdc it compiles fine. I believe this is actually wrong.
>  >> As c abi does not support overloading of functions, shouldn't the
> compilers at the very least report a warning of this?
>  >>
>  >> [0] https://github.com/nomad-software/x11/issues/6#issuecomment-66959937
>  >> [1]
> https://github.com/nomad-software/x11/blob/160f5109cb9f09ab69f9a16c685c5a6b39179db6/source/x11/Xlib.d#L1534
>  >> [2]
> https://github.com/nomad-software/x11/blob/160f5109cb9f09ab69f9a16c685c5a6b39179db6/source/x11/Xlib.d#L1554
>  >
>  >
>  > Could really use an answer to this.
>  > Another person discovered this in the wild.
>  > http://forum.dlang.org/post/gpfxidqvrseuhxpnckzu@forum.dlang.org
>
> I would raise a bug if there isn't already one.  The frontend should at
> least disallow conflicting extern(C) prototypes.

This is the answer I was looking for thank you. Just needed somebody to 
confirm.