[Bug tree-optimization/125873] [17 Regression] wrong code at -O{2, 3} with "-fno-aggressive-loop-optimizations" on x86_64-linux-gnu since r17-1585

[kaelfandrew at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125873

--- Comment #5 from Kael Franco <kaelfandrew at gmail dot com> ---
(In reply to Richard Biener from comment #3)
> I cannot observe different behavior of fold_plusminus_mult_expr.  Reverting
> the offending revision ontop of trunk does not fix the testcase

Forgot to mention that I modified the testcase to replace __builtin_abort with
return 1 to git bisect easier. Didn't think it would cause different results.