[Bug tree-optimization/79575] [7 Regression] ICE in mark_stmt_if_obviously_necessary, at tree-ssa-dce.c:270

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79575

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
            Version|unknown                     |7.0.1
         Resolution|---                         |FIXED
   Target Milestone|---                         |7.0

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Can't reproduce on trunk head.  I guess it's fixed with

2017-03-07  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
        preheaders.

from the description.