[committed] Fix OpenMP parsing of the specification part in functions (PR fortran/71704)

[Cesar Philippidis]

On 07/08/2016 09:18 AM, Jakub Jelinek wrote:
> On Fri, Jul 08, 2016 at 09:13:50AM -0700, Cesar Philippidis wrote:
>> On 06/30/2016 10:47 AM, Jakub Jelinek wrote:
>>
>>> The Fortran parser apparently relies in functions that have still undecided
>>> kind of the result that ST_GET_FCN_CHARACTERISTICS artificial statement is
>>> returned before any executable statements in the function.
>>> In normal statements that is ensured through decode_statement calling
>>> decode_specification_statement, which parses just a subset of statements,
>>> but for OpenMP we need to do something similar.  If we figure out we want
>>> only the case_omp_decl statements, for any other we just try to gfc_match
>>> the keyword and if we match it, it means we'd be about to return an OpenMP
>>> executable statement, so instead return ST_GET_FCN_CHARACTERISTICS.
>>>
>>> Bootstrapped/regtested on x86_64-linux and i686-linux, committed to trunk,
>>> queued for 6.2 backport.
>>>
>>> Cesar, note OpenACC will need something similar (though,
>>> decode_acc_statement uses just the match macro, so you'll need another one
>>> for the executable statements).
>>
>> Here's the OpenACC followup for this patch. Is it OK for trunk and gcc6?
> 
> ENOPATCH

Sorry!

Cesar

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