[Bug tree-optimization/60172] ARM performance regression from trunk@207239

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60172

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Note that we can probably avoid regressing TER by removing the dead stmt
in forwprop itself (which would be appropriate at this stage).

But as that doesn't help this still needs more analysis.