[clang] [clang] Make -fveclib={ArmPL, SLEEF} imply -fno-math-errno (PR #112580)

[Kiran Chandramohan via cfe-commits]

https://github.com/kiranchandramohan commented:

Thanks for this patch.

Have you checked the flang driver? Is it not applicable there since errno is not used in Flang?

https://github.com/llvm/llvm-project/pull/112580