[Bug c++/98362] bad file data on Windows for C++ 20 module

[unlvsur at live dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98362

--- Comment #4 from cqwrteur <unlvsur at live dot com> ---
(In reply to Nathan Sidwell from comment #2)
> Created attachment 49797 [details]
> test patch
> 
> care to try this?

I will modify your patch and try to support O_CLOSEXEC on Windows