https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67756
--- Comment #10 from ktkachov at gcc dot gnu.org ---
The ICE started with:
Author: vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue Sep 1 19:37:52 2015 +0000
2015-09-01 Vladimir Makarov <[email protected]>
PR target/61578
* lra-lives.c (process_bb_lives): Process move pseudos with the
same value for copies and preferences
* lra-constraints.c (match_reload): Create match reload pseudo
with the same value from single dying input pseudo.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227382
138bc75d-0d04-0410-961f-82ee72b054a4
So it seems like an LRA issue