https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89896
Sergei Trofimovich <slyfox at inbox dot ru> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|-flto=4 is confused by |-flto=4 is confused by |presence of all.o in a |presence of 'all.c' in a |local directory. -flto=1 is |local directory. -flto=1 is |not. |not. --- Comment #1 from Sergei Trofimovich <slyfox at inbox dot ru> --- It seems that 'all.c' is actual trigger, not 'all.o'.