[Bug rtl-optimization/58668] [4.8/4.9 regression] internal compiler error: in cond_exec_process_insns, at ifcvt.c:339

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58668

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 31466
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31466&action=edit
gcc49-pr58668.patch

So like this?  Note, the USE/CLOBBER change for flow_find_cross_jump
has been added in 2011 for 4.7 as PR43920 fix:
http://gcc.gnu.org/ml/gcc-patches/2011-03/msg02246.html