https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90337
--- Comment #11 from WHR <msl0000023508 at gmail dot com> --- Created attachment 49259 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49259&action=edit gcc-10.2.0-sanitizer-madvise-fix.diff Replace non-standard madvise(2) with posix_madvise(3).