https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67226
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed|2015-08-17 00:00:00 |2015-8-18 CC| |ktkachov at gcc dot gnu.org --- Comment #3 from ktkachov at gcc dot gnu.org --- Confirmed as well. The cause seems to be that one of the callsites of emit_push_insn within store_one_arg does not set sibcall_p to true when it should. I'll test a fix.