[Bug c++/69564] [5/6/7 Regression] lto and/or C++ make scimark2 LU slower

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564

--- Comment #35 from amker at gcc dot gnu.org ---
(In reply to Richard Biener from comment #34)
> But as A + 8 >= B || A >= B + 8 is the same as ABS (A - B) >= 8 we might do
> better re-writing the overlap test in terms of this (of course it all really
> depends on whether that and the offset stripping handles arrays crossing the
> "signed overlap" boundary in the address space correctly...)

I had a patch doing this, will revise and send for review.  Thanks.