[Issue 24141] ImportC: C11 atomics not supported

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24141

--- Comment #2 from Richard Cattermole <alphaglosined at gmail.com> ---
There appears to be a define that disables them:
https://en.cppreference.com/w/c/atomic

However, dmd should bite the bullet and finally implement the atomic
intrinsics. They are long overdue and I've had so many issues with them not
being an intrinsic in D as well.

--