Re: MPI code error raises a question

Steve Lionel wrote:
> On Thu, 08 May 2008 08:42:32 +1200, Gib Bogle
<bogle@[EMAIL PROTECTED]
>
> wrote:
> 
>> With a little help from my friends I have found the error in my MPI
code 
>> that was bedeviling me with Heisenbugs.  One of the arguments to 
>> MPI_RECV is an integer array status(MPI_STATUS_SIZE).  In one place I'd

>> forgotten to make it an array, and just declared it as integer. 
>> Interested consequences followed from this little mistake.
>>
>> I'm wondering if this is the kind of error that a compiler might be
able 
>> to detect.
> 
> If an explicit interface for the called routine was provided,
absolutely. The
> standard prohibits passing a scalar variable to an array argument (with
a
> minor exception for CHARACTER variables passed to arrays of
CHARACTER(1)).

Since the MPI library is accessed via a USE statement, doesn't this 
imply that the same information is available to the compiler as an 
explicit interface would provide?