[flang-commits] [flang] [flang][openmp]Add UserReductionDetails and use in DECLARE REDUCTION (PR #140066)

[Tom Eccles via flang-commits]

tblah wrote:

#119960 is written in C

#57219 does parse correctly but I don't think it is correct to error about a - reduction operator deprecation if the user defined reduction is being referenced.

https://github.com/llvm/llvm-project/pull/140066