Change Details

It just works™ Feel free to upstream the patch to LLVM (probably with `LINUX||FREEBSD` instead of removing the OS check completely though).

``` LLVM: Enable OpenMP on aarch64 It just works™ Feel free to upstream the patch to LLVM (probably with `LINUX||FREEBSD` instead of removing the OS check completely though). PR: 248864 Differential_Revision: D21167 Reviewed_by: ?? ```

``` LLVM: Enable OpenMP on aarch64 It just works™ Feel free to upstream the patch to LLVM (probably with `LINUX||FREEBSD` instead of removing the OS check completely though). PR: 248864 Differential_Revision: D21167 Reviewed_by: ?? ```