Re: [PATCH] Fortran: procedures with BIND(C) attribute require explicit interface [PR85877]

[Harald Anlauf <anlauf@gmx.de>]

Hi Thomas,

Am 19.03.23 um 08:34 schrieb Thomas Koenig via Gcc-patches:
> Hi Harald,
> 
>> Am 18.03.23 um 19:52 schrieb Thomas Koenig via Gcc-patches:
>>> Hi Harald,
>>>
>>>> the Fortran standard requires an explicit procedure interface in 
>>>> certain
>>>> situations, such as when they have a BIND(C) attribute 
>>>> (F2018:15.4.2.2).
>>>> The attached patch adds a check for this.
>>>>
>>>> Regtested on x86_64-pc-linux-gnu.  OK for mainline?
>>>
>>> While this fixes the ICE, it misses
>>>
>>> function f() bind(c)
>>>    f = 42.
>>> end
>>>
>>> subroutine p
>>>    bind(c) f     ! { dg-error "must be explicit" }
>>>    x = f()
>>> end
>>
>> what do you mean by "it misses"?
> 
> Sorry, that was caused by confusion on my part (and it is better
> to test an assumption of what the compiler actually does :-)
> 
> Patch is OK, also for backport.  Maybe you can also include the
> test above, just to make sure.

I've added your suggestion to the testcase.  Pushed as:

https://gcc.gnu.org/g:5426ab34643d9e6502f3ee572891a03471fa33ed

> Best regards
> 
>      Thomas
> 
> 

Thanks,
Harald