https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118954
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Sam James from comment #8) > Sorry about that. It doesn't always hang because of uninit memory. > > With Valgrind, I got r15-1757-g4d24159a1fcb15. Does that sound more > reasonable? Maybe. For the bisect you could add `-fdump-tree-dse4` and then `grep "Deleted dead store" *.dse4` which might be a more reliable way. In the working case there will be no matches.
