[flang-commits] [flang] [flang] Fold x + 0, 0 + x and x - 0 for INTEGER and UNSIGNED (PR #192479)

[Eugene Epshteyn via flang-commits]

https://github.com/eugeneepshteyn approved this pull request.

LGTM.

@jeanPerier , do you happen to know why the zero additions weren't folded in the first place?

https://github.com/llvm/llvm-project/pull/192479