https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125267
--- Comment #3 from Jürgen Reuter <juergen.reuter at desy dot de> --- Created attachment 64433 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64433&action=edit First reproducer Compile the files with the flags in the Makefile and then run the exectuable ./whizard_test --check polarizations The backtrace is: x000000000046e4bb in __polarizations_MOD_pmatrix_normalize () (gdb) bt #0 0x000000000046e4bb in __polarizations_MOD_pmatrix_normalize () #1 0x000000000047408d in __polarizations_uti_MOD_polarization_2 () #2 0x000000000040c0d6 in __unit_tests_MOD_test () #3 0x0000000000479269 in __polarizations_ut_MOD_polarizations_test () #4 0x000000000047a767 in whizard_check () #5 0x000000000047c1c0 in MAIN__ () There are 43 out of 145 unit tests failing and 250 out of 338 of our functional tests.
