people's expectations

[Jerry DeLisle]

On 1/16/19 8:21 AM, Steve Kargl wrote:
> On Wed, Jan 16, 2019 at 09:41:32AM +0100, Manfred Schwarb wrote:
>> Am 16.01.2019 um 01:47 schrieb Steve Kargl:
>>> What are people's expectation for gfortran with this code:
>>>
>>> subroutine bar
>>>     integer, external :: j
>>>     read(*,*) j
>>>     print *, j()
>>> end subroutine bar
>>>
>>
>> i would expect the very same error as for
>>
>>        subroutine bar
>>        integer, external :: j
>>        j=1
>>        print *, j()
>>        end subroutine bar
>>
>> Error: Illegal assignment to external procedure at (1)
>>
> 
> Technically, it isn't an assignment.  The READ statement
> causes an input-item to become defined.  Yes, I know it's
> just semantics, but then again fixing the bug requires
> following the standard.
> 

If j is an external function as in C which takes no argument, such a 
maybe a random number generator, shouldn't it resolve to a call of that 
function and return a value that is printed?

Or even a fortran function I suppose.

Jerry