Running on (and compiling for) x86_64-apple-darwin12.2.0. Completely
stock system using the latest (November) command line tools from Apple.
GCC and LLVM/Clang both produce these results:
===============================================================
GNU coreutils 8.20.103-bb116: gnulib-tests/test-suite.log
===============================================================
# TOTAL: 2
# PASS: 0
# SKIP: 0
# XFAIL: 0
# FAIL: 2
# XPASS: 0
# ERROR: 0
.. contents:: :depth: 2
FAIL: test-getgroups
====================
/var/ac/src/coreutils-8.20.103-bb116/gnulib-tests/test-getgroups.c:58:
assertion failed
FAIL: test-vasprintf-posix
==========================
/var/ac/src/coreutils-8.20.103-bb116/gnulib-tests/test-vasprintf-posix.c:238:
assertion failed
