https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86077
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- You can use alternative syntax --param=max-inline-insns-sinle=500 (note the space being replaced with a =).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86077
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- You can use alternative syntax --param=max-inline-insns-sinle=500 (note the space being replaced with a =).