[llvm-branch-commits] [mlir] [mlir][OpenMP] Don't allocate task context structure if not needed (PR #174588)

[Tom Eccles via llvm-branch-commits]

tblah wrote:

PR Stack

- https://github.com/llvm/llvm-project/pull/174386
- https://github.com/llvm/llvm-project/pull/174623
- https://github.com/llvm/llvm-project/pull/174588
- https://github.com/llvm/llvm-project/pull/174815

https://github.com/llvm/llvm-project/pull/174588