https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107967
--- Comment #2 from caiyinyu <caiyinyu at loongson dot cn> --- I tested with latest gcc(commit 102f3cef568), and these fails still exist. My gcc configuration: ../configure --prefix=/usr --libdir=/usr/lib64 --disable-bootstrap --enable-__cxa_atexit --enable-threads=posix --with-system-zlib --enable-libstdcxx-time --enable-checking=release --enable-default-pie --enable-languages=c,c++