http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=e041ac5f63e23b20c322f2777d6330074c8a7215
This should appear in the next tar release. I found a couple more PGI issues too, fixed here: http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=8b3e22b18791f2148da46e60040fc4d9270936b5 http://git.savannah.gnu.org/cgit/tar.git/commit/?id=2be02a7c9afa5b4f01261e5b66c64217f7f3c29a