https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121185
--- Comment #11 from kargls at comcast dot net --- (In reply to kargls from comment #10) > (In reply to Jürgen Reuter from comment #8) > > Created attachment 61945 [details] > > Reproducer, single file, first part (polarization test) > > This is what I get > > % ./whizard_test > Running test: polarization_2Test: polarization_2 > ... success. > Success. > *** Test Summary *** > Success: > Total = 1 > Success = 1 > Failure = 0 > *** End of test Summary *** > > with > > GNU Fortran (GCC) 16.0.0 20250712 (experimental) > Copyright (C) 2025 Free Software Foundation, Inc. > > There is no other output. Rebuilding with an up-to-date gfortran, I see ./whizard_test --check polarizations Running test: polarization_2 Trace of matrix square = 3.2500000000000000 Not permissible as density matrix Trace of matrix square = 3.3399999999999999 Not permissible as density matrix Trace of matrix square = 3.9705327314630523 Not permissible as density matrix ... failure. See: err-output/polarization_2.out *** Test Summary *** Failure: Total = 1 Success = 0 Failure = 1 *** End of test Summary *** hotrats:kargl[369] gfcx --version GNU Fortran (GCC) 16.0.0 20250723 (experimental) ./whizard_test --check polarizations Running test: polarization_2 Trace of matrix square = 3.2500000000000000 Not permissible as density matrix Trace of matrix square = 3.3399999999999999 Not permissible as density matrix Trace of matrix square = 3.9705327314630523 Not permissible as density matrix ... failure. See: err-output/polarization_2.out *** Test Summary *** Failure: Total = 1 Success = 0 Failure = 1 *** End of test Summary *** % gfcx --version GNU Fortran (GCC) 16.0.0 20250723 (experimental)