[Bug fortran/42169] [4.4/4.5/4.6 Regression] gfortran.dg/pr41928.f90:47: internal compiler error: in store_can_be_removed_p, at ira-emit.c:371

[dave at hiauly1 dot hia.nrc.ca]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42169

--- Comment #19 from dave at hiauly1 dot hia.nrc.ca 2010-10-18 17:27:04 UTC ---
> It looks like this was fixed (for hppa at least) in r163190.
> 
> 2010-08-12  Richard Guenther  <rguent...@suse.de>
> 
>         PR tree-optimization/45232
>         * tree-ssa-reassoc.c (can_reassociate_p): Disable re-association
>         for types with undefined overflow.
>         (reassociate_bb): Allow re-associating of bit and min/max
>         operations for types with undefined overflow.
>         * tree-ssa-forwprop.c (associate_plusminus): New function.
>         (tree_ssa_forward_propagate_single_use_vars): Call it.

Is it easy to backport?

Dave