https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107078
--- Comment #18 from Martin Liška <marxin at gcc dot gnu.org> --- > This issue is about compiler issue on linking firebird binary linked with > LTO. Good, so it's isql command that crashes: make gpre make[2]: Entering directory '/tmp/firebird-4.0.2/gen' rm -f metadata.fdb /tmp/firebird-4.0.2/gen/Release/firebird/bin/isql -q -i /tmp/firebird-4.0.2/src/dbs/metadata.sql make[2]: *** [Makefile:441: metadata.fdb] Segmentation fault (core dumped) make[2]: *** Deleting file 'metadata.fdb' make[2]: Leaving directory '/tmp/firebird-4.0.2/gen' make[1]: *** [Makefile:292: master_process] Error 2 And my question is, how run it under gdb?