[Bug c/70436] [4.9/5/6 Regression] -Wparentheses missing ambiguous else warning

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70436

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
They should be.
if (x)
#pragma omp for
  for (...)
    if (y)
      ...
else
  ...
and #pragma omp simd and #pragma omp taskloop too.
For C++, perhaps we could just pass around if_p argument to a few more parsing
functions.