[Omp] A question for OpenMP standard

[Jiangzhou He]

For the following program:

#pragma omp parallel
  {
    int i;
#pragma omp single private(i)
    {
      ......
    }
  }

The *private(i)* here is useless, but what I'm concerned about is whether
it's legal or illegal. I tried it with Intel C Compiler and no error or
warning emerges, but compiling it with PathScale C Compiler causes compiling
error(*Error: Privatized variable i not SHARED in enclosing parallel region*).
I wonder which disposal accords with the the standard. Thanks.
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