[llvm-branch-commits] [flang] [flang][OpenMP] Improve diagnosing invalid operators in DECLARE_REDUCTION (PR #232353)

[Caroline Newcombe via llvm-branch-commits]

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

Matt flagged the same semantic issues I identified. Thanks for verifying those. LGTM once both issues are fixed and covered by regression tests.

https://github.com/llvm/llvm-project/pull/232353