[Bug middle-end/59993] [4.9 Regression] ICE: SSA corruption

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59993

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 31992
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31992&action=edit
patch

Untested patch.