https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69124
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |vmakarov at redhat dot com --- Comment #9 from ktkachov at gcc dot gnu.org --- So I did a bisection between 4.9 and 5. The offending commit is r217624: Author: vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Sun Nov 16 05:00:30 2014 +0000 2014-11-15 Vladimir Makarov <vmaka...@redhat.com> * lra-remat.c (cand_transf_func): Process regno for rematerialization too. * lra.c (lra): Switch on rematerialization pass. i.e. when the LRA rematiralisation pass was turned on.