The libgomp.oacc-fortran/privatized-ref-1.f95 also has the same issue, and has 
been fixed in the same way.

Kwok

On 16/09/2020 11:33 am, Kwok Cheung Yeung wrote:
> Hello
> 
> The libgomp.oacc-c++/privatized-ref-[23].C testcases request 64 workers in a 
> parallel section, but Nvidia only supports a maximum of 32 workers, and GCN a 
> maximum of 16. The worker numbers are overridden by the compiler with a warning 
> message printed, which causes test failures on Nvidia. On GCN, the warning 
> message is not printed by default (enabled by -foffload=-Wopenacc-dims).
> 
> This patch fixes this by requesting 16 workers, which is acceptable on both 
> Nvidia and AMD GCN. Committed on the OG10 branch as obvious.
> 
> Kwok