In particular, we're interested in the following commits: commit 43b5194d5b156f8dd7ae576952568d331978f5f0 Author: Bruno Haible <bruno(a)clisp.org&gt; Date: Sun Jan 5 20:42:12 2020 +0100 tests: Avoid GCC over-optimization caused by _GL_ARG_NONNULL attributes. * lib/stdlib.in.h: Tweak last commit. commit b7d7afe10ddf599452bd80b8a840c830cd474b09 Author: Bruno Haible <bruno(a)clisp.org&gt; Date: Sun Jan 5 09:13:25 2020 +0100 tests: Avoid GCC over-optimization caused by _GL_ARG_NONNULL attributes. Reported by Jim Meyering in <https://lists.gnu.org/archive/html/bug-gnulib/2020-01/msg00040.html>;. * lib/stdlib.in.h (GNULIB_defined_canonicalize_file_name): New macro. (GNULIB_defined_ptsname_r): New macro. * tests/test-canonicalize.c (_GL_ARG_NONNULL): Define to empty. (main): Disable the NULL argument test if canonicalize_file_name does not come from gnulib. * tests/test-canonicalize-lgpl.c (_GL_ARG_NONNULL): Define to empty. (main): Disable the NULL argument test if canonicalize_file_name does not come from gnulib. * tests/test-ptsname_r.c (_GL_ARG_NONNULL): Define to empty. (test_errors): Disable the NULL argument test if ptsname_r does not come from gnulib. since they fix a build failure caused by the gnulib tests failing on ppc64le, as reported in https://www.redhat.com/archives/libvir-list/2020-January/msg00616.html Reported-by: Satheesh Rajendran <sathnaga(a)linux.vnet.ibm.com&gt; Tracked-down-by: Bruno Haible <bruno(a)clisp.org&gt; Signed-off-by: Andrea Bolognani <abologna(a)redhat.com&gt; --- Note that I have not actually had the time to confirm this fixes the problem, or to reproduce it in the first place (I'll do that tomorrow). Either way, it's waaaaay too late for this to make it into v6.0.0; I'm mostly posting this so that the reporter can have a go at testing it in the meantime. .gnulib | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.gnulib b/.gnulib index 7d06937892..611869be9f 160000 --- a/.gnulib +++ b/.gnulib @@ -1 +1 @@ -Subproject commit 7d069378921bfa0d7c7198ea177aac0a2440016f +Subproject commit 611869be9f1083e53305446d90a2909fc89914ef -- 2.24.1