[flang-commits] [flang] [flang] Modifications to ieee floating point environment procedures (PR #121949)

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vdonaldson wrote:

Thanks @rorth and @kkwli for help with resolving build issues.

The intent of this PR is to allow more flexibility in how these four floating point environment procedures are implemented, and use that flexibility to solve several problems. I believe it now does that without breaking builds or introducing regressions to working functionality in any environment. I am less concerned with lit test coverage, although the included tests address common use cases. I propose to push this iteration of the code. Anyone may extend or improve tests or code as occasion arises.

https://github.com/llvm/llvm-project/pull/121949