[Bug rtl-optimization/64081] [5/6/7 Regression] r217827 prevents RTL loop unroll

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64081

--- Comment #29 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
> Are there any other particular tricks for bootstrapping GCC circa 219827 on
> this AIX?  Are there any other configury or otherwise flags?

FYI, I also tried --disable-nls as per comment 21, but I get a different
problem while linking stage2.