https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110251
--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Anonymous from comment #9) > (In reply to Andrew Pinski from comment #1) > > dom3 : > > ``` > > Could you please explain on how you to record this trace? Is there any > specific compilation option to enable this information? Thanks. I used gdb to figure it out. Just stopped it a few times during the compiling and saw the backtrace was similar/stuck.