message: [test] Convert test for PR36720 to c89
  GCC 4.8.5 defaults to this old C standard. I think we should make the
  tests pass a newer -std=c99|c11 but that's too intrusive for now...
diff: @@ -16,15 +16,17 @@ from inside the tasks, once again everything runs fine.
  int main() {
  #pragma omp task
  {
  + int i;
  #pragma omp parallel for
  - for (int i = 0; i < N; i++)
  + for (i = 0; i < N; i++)
  (void)0;
  }
  #pragma omp task
  {
  + int i;
  #pragma omp parallel for
  - for (int i = 0; i < N; ++i)
  + for (i = 0; i < N; ++i)
  (void)0;
  }
  