[Bug tree-optimization/77286] [7 Regression] ICE in fold_convert_loc, at fold-const.c:2248 building 435.gromacs

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77286

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |7.0

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Actually it's the vectorizer messing up the IL.  Seems to be related to the
tree-ssa-loop-manip.c change in

2016-08-17  Richard Biener  <rguenther@suse.de>

        * tree-ssa.c: Include tree-cfg.h and tree-dfa.h.
        (verify_vssa): New function verifying virtual SSA form.
        (verify_ssa): Call it.
        * tree-ssa-loop-manip.c (slpeel_update_phi_nodes_for_guard2):
        Do not apply loop-closed SSA handling to virtuals.
        * ssa-iterators.h (op_iter_init): Handle GIMPLE_TRANSACTION.
        * tree-into-ssa.c (prepare_use_sites_for): Skip virtual SSA names
        when rewriting their symbol.
        (prepare_def_site_for): Likewise.
        * tree-chkp-opt.c (chkp_reduce_bounds_lifetime): Clear virtual
        operands of moved stmts.