https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71231
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> --- Created attachment 38547 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38547&action=edit rnflow source and data file Compile with -Ofast to see the failure.
