[flang-commits] [flang] [flang][OpenMP] Do not emit a use-only item for a reduction symbol in a module file (PR #207492)

[Paul Osmialowski via flang-commits]

pawosm-arm wrote:

I'm also seeing this when running llvm-test-suite (despite #209220):

```
01:02:21  **********
01:02:21  FAIL: test-suite :: Fortran/gfortran/regression/gomp/gfortran-regression-compile-regression__gomp__declare-variant-6_f90.test (7566 of 10415)
01:02:21  ******************** TEST 'test-suite :: Fortran/gfortran/regression/gomp/gfortran-regression-compile-regression__gomp__declare-variant-6_f90.test' FAILED ********************
01:02:21
01:02:21  /home/cicd/test-suite-build/tools/timeit-target --timeout 7200 --limit-core 0 --limit-cpu 7200 --limit-file-size 209715200 --limit-rss-size 838860800 --redirect-input /dev/null --summary /home/cicd/test-suite-build/Fortran/gfortran/regression/gomp/Output/gfortran-regression-compile-regression__gomp__declare-variant-6_f90.test.time /home/cicd/test-suite-build/Fortran/gfortran/regression/gomp/../..//dummy
01:02:21  /home/cicd/test-suite-build/tools/not /usr/bin/diff /home/cicd/test-suite-build/Fortran/gfortran/regression/gomp/../..//gfortran-compile-empty.reference.out /home/cicd/test-suite-build/Fortran/gfortran/regression/gomp/gfortran-regression-compile-regression__gomp__declare-variant-6_f90.out
01:02:21
01:02:21  + /home/cicd/test-suite-build/tools/not /usr/bin/diff /home/cicd/test-suite-build/Fortran/gfortran/regression/gomp/../..//gfortran-compile-empty.reference.out /home/cicd/test-suite-build/Fortran/gfortran/regression/gomp/gfortran-regression-compile-regression__gomp__declare-variant-6_f90.out
01:02:21
01:02:21  ********************
```


https://github.com/llvm/llvm-project/pull/207492