https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69124
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|target |rtl-optimization
--- Comment #10 from ktkachov at gcc dot gnu.org ---
(In reply to ktkachov from comment #9)
> 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.
Consequently, compiling with -fno-lra-remat the testcase runs successfully (no
output)
