https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61320
--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot
Uni-Bielefeld.DE> ---
> --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
> gcc/java/jcf.h:#define GET_u2(PTR) (((PTR)[0] << 8) | ((PTR)[1]))
>
> smells like
>
> 2014-05-23 Thomas Preud'homme <thomas.preudho...@arm.com>
>
> PR tree-optimization/54733
> * tree-ssa-math-opts.c (nop_stats): New "bswap_stats" structure.
> ...
I've now confirmed that this patch is indeed the culprit.
Rainer
