[Bug lto/91287] LTO disables linking with scalar MASS library (Fortran only)

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91287

--- Comment #36 from rguenther at suse dot de <rguenther at suse dot de> ---
On August 8, 2019 10:27:38 AM GMT+02:00, "rsandifo at gcc dot gnu.org"
<gcc-bugzilla@gcc.gnu.org> wrote:
>https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91287
>
>rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:
>
>           What    |Removed                     |Added
>----------------------------------------------------------------------------
>            CC|                            |rsandifo at gcc dot gnu.org
>
>--- Comment #35 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot
>gnu.org> ---
>I might be missing the point, but tying this decision to internal
>functions seems conceptually wrong.  The main distinguishing
>feature of internal functions is that they're purely compiler-
>internal and have no linkage.  It seems odd to use them to decide
>whether a built-in function actually does have linkage. ;-)

Yes indeed. Fact is we do not have the information whether a builtin has
linkage or not readily available. 

>E.g. we only really have an internal function for things like
>atan2 because of (the rarely used?) -mfancy-math-387.  We should
>be free to remove the internal function if we ever drop the
>associated 387 support.