[gfortran] PR libfortran/21376

[FX Coudert]

> *Blush* well, yes.  Reminds me to never have the final look at a patch late at
> night :-(  I agree that the patch is the easiest way to do this then, you
> should add a testcase for it, though.  The testcase I posted is not good
> enough given that I got the exponents of the corner cases wrong.

OK. I will add a testcase.

> Another issue is that your patch is only superficially different from the one
> Peter Wainwright suggested when he filed the PR, so you should probably add
> his name to the ChangeLog entry.

OK, so here is my question: is the name in the ChangeLog entry supposed 
to be the one of the commiter, the one of the author, or both?

FX