[og9] Really fix og9 "Fix hang when running oacc exec with CUDA 9.0 nvprof"

[Frederik Harwath]

Hi Thomas,

Thomas Schwinge <thomas@codesourcery.com> writes:

> On 2020-03-25T18:09:25+0100, I wrote:
>> On 2018-02-22T12:23:25+0100, Tom de Vries <Tom_deVries@mentor.com> wrote:
>>> when using cuda 9 nvprof with an openacc executable, the executable hangs.
>
>> What Frederik has discovered today in the hard way... [...]
>> -- the hang was back. [...]
> ..., and now the attached patch to devel/omp/gcc-9 in commit
> 775f1686a3df68bd20370f1fabc6273883e2c5d2 'Really fix og9 "Fix hang when
> running oacc exec with CUDA 9.0 nvprof"'.

Thanks for fixing this issue! I can confirm that nvprof now works on
code compiled from devel/omp/gcc-9. I have used nvprof 9.1.85 on Ubuntu
18.04 for testing.

Best regards,
Frederik
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