[Bug middle-end/60597] [4.9 Regression] ICE in df_refs_verify, at df-scan.c:4323

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60597

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Seems this is because invalid RTL sharing, debugging.