[Bug c++/66943] GCC warns of Unknown Pragma for OpenMP, even though it support it.

[noloader at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66943

--- Comment #1 from Jeffrey Walton <noloader at gmail dot com> ---
I've experienced this issue on Cygwin i386 and x86_64 running GCC 4.8.1; Fedora
21 and 22, i386 and x86_64 running GCC 4.9 and 5.1, and a few others.

So it appears to be a widespread issue, and not an isolated case.