 {{threadprivate or thread local variable cannot be private}}   for (int k = 0; k < argc; ++k)     ++k; #pragma omp parallel for nowait // expected-error {{unexpected OpenMP clause 'nowait' in directive '#pragma omp parallel for'}}   for (int k = 0; k < argc; ++k)     ++k; #pragma omp parallel   {     int i; #pragma omp parallel for private(i)     for (int k = 0; k < argc; ++k) 