https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82729
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement --- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This is what we produce on the gimple level: abc = "abc"; ab = "ab"; a = "a"; Interesting no compiler I see does this optimization for this code.