https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98275
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Martin Liska <mar...@gcc.gnu.org>: https://gcc.gnu.org/g:cab1b0ebc00ea53040afcbe4b91e653a87915092 commit r11-6040-gcab1b0ebc00ea53040afcbe4b91e653a87915092 Author: Martin Liska <mli...@suse.cz> Date: Tue Dec 15 09:59:04 2020 +0100 lto: set nthreads_var to 1 if it is zero gcc/ChangeLog: PR lto/98275 * lto-wrapper.c: Do not use -j0 when we are unable to detect number of cores.