https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87359
--- Comment #10 from Paul Thomas <pault at gcc dot gnu.org> --- (In reply to Thomas Koenig from comment #7) > Well, I can confirm this. Output from valgrind shows as the first error: > > Running test: event_transforms_1| Process library 'event_transforms_1_lib': > initialized > ==23957== Invalid read of size 8 > ==23957== at 0xB22334: > __mci_midpoint_MOD___final_mci_midpoint_Mci_midpoint_t (mci_midpoint.f90:475) > ==23957== by 0xA57C34: __process_mci_MOD_process_mci_entry_init > (process_mci.f90:187) > ==23957== by 0xA8E78B: __process_MOD_process_setup_mci (process.f90:1150) > ==23957== by 0xB30828: __event_transforms_uti_MOD_event_transforms_1 > (event_transforms_uti.f90:85) > ==23957== by 0x422BB9: __unit_tests_MOD_test (unit_tests.f90:175) > ==23957== by 0xB4FF46: __event_transforms_ut_MOD_event_transforms_test > (event_transforms_ut.f90:45) > ==23957== by 0xB51801: whizard_check.3816 (in > /home/ig25/Downloads/Whiz/whizard_test) > ==23957== by 0xB53255: MAIN__ (in /home/ig25/Downloads/Whiz/whizard_test) > ==23957== by 0xB535A9: main (in /home/ig25/Downloads/Whiz/whizard_test) > ==23957== Address 0x61375a0 is 16 bytes inside a block of size 480 free'd > ==23957== at 0x4C2B28A: free (vg_replace_malloc.c:530) > ==23957== by 0xA57C03: __process_mci_MOD_process_mci_entry_init > (process_mci.f90:187) > ==23957== by 0xA8E78B: __process_MOD_process_setup_mci (process.f90:1150) > ==23957== by 0xB30828: __event_transforms_uti_MOD_event_transforms_1 > (event_transforms_uti.f90:85) > ==23957== by 0x422BB9: __unit_tests_MOD_test (unit_tests.f90:175) > ==23957== by 0xB4FF46: __event_transforms_ut_MOD_event_transforms_test > (event_transforms_ut.f90:45) > ==23957== by 0xB51801: whizard_check.3816 (in > /home/ig25/Downloads/Whiz/whizard_test) > ==23957== by 0xB53255: MAIN__ (in /home/ig25/Downloads/Whiz/whizard_test) > ==23957== by 0xB535A9: main (in /home/ig25/Downloads/Whiz/whizard_test) > ==23957== Block was alloc'd at > ==23957== at 0x4C2A0DD: malloc (vg_replace_malloc.c:299) > ==23957== by 0xA4539B: > __process_config_MOD_process_component_extract_mci_template > (process_config.f90:834) > ==23957== by 0xA579D2: __process_mci_MOD_process_mci_entry_init > (process_mci.f90:187) > ==23957== by 0xA8E78B: __process_MOD_process_setup_mci (process.f90:1150) > ==23957== by 0xB30828: __event_transforms_uti_MOD_event_transforms_1 > (event_transforms_uti.f90:85) > ==23957== by 0x422BB9: __unit_tests_MOD_test (unit_tests.f90:175) > ==23957== by 0xB4FF46: __event_transforms_ut_MOD_event_transforms_test > (event_transforms_ut.f90:45) > ==23957== by 0xB51801: whizard_check.3816 (in > /home/ig25/Downloads/Whiz/whizard_test) > ==23957== by 0xB53255: MAIN__ (in /home/ig25/Downloads/Whiz/whizard_test) > ==23957== by 0xB535A9: main (in /home/ig25/Downloads/Whiz/whizard_test) > > So, it is a finalizer problem. The allocate statement was at > > function process_component_extract_mci_template (component) & > result (mci_template) > class(mci_t), allocatable :: mci_template > class(process_component_t), intent(in) :: component > if (allocated (component%mci_template)) & > allocate (mci_template, source = component%mci_template) > end function process_component_extract_mci_template > > Hopefully, this can narrow things down a bit. If this a finalizer problem, try reverting r263916. I am not in a position to work on this right now, except to revert the above revision on trunk. Please let me know if this does indeed fix your proble. Cheers Paul
