[clang] [CIR] Only emit FP math intrinsics when precision/errno settings allow it (PR #169424)

[Andy Kaylor via cfe-commits]

https://github.com/andykaylor commented:

Please be sure to pick up the changes from https://github.com/llvm/llvm-project/pull/169954 which I just committed.

https://github.com/llvm/llvm-project/pull/169424