[flang-commits] [flang] [flang][Driver] Enable -Os and -Oz in flang (PR #164707)

[Tom Eccles via flang-commits]

tblah wrote:

Maybe we could just tweak the MLIR pipeline for the most obvious cases (LoopVersioning, Inlining) and be extremely conservative about anything with an uncertain payoff.

https://github.com/llvm/llvm-project/pull/164707