https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78614
--- Comment #17 from Alan Modra <amodra at gmail dot com> --- I see the same sort of invalid rtl sharing errors on powerpc64le with both https://gcc.gnu.org/ml/gcc-patches/2016-11/msg03117.html and https://gcc.gnu.org/ml/gcc-patches/2016-11/msg03116.html applied.