[clang] [llvm] [Clang] [OpenMP] Support NOWAIT with optional argument (PR #128742)

[via llvm-commits]

jadhbeika wrote:

@openmp-team @MaskRay @ABataev — this PR is ready and passes all tests.
It adds OpenMP 6.0 support for `nowait(expr)`, with full parsing and Sema, and is backward compatible with OpenMP ≤ 5.2.

Would appreciate your review. Thank you!


https://github.com/llvm/llvm-project/pull/128742