This is a backport of part of this patch from 6.5 to 4.8:

  https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=8937b94d1a643fd9760714642296d034a45254a8

--- a/libsanitizer/tsan/tsan_platform_linux.cc
+++ b/libsanitizer/tsan/tsan_platform_linux.cc
@@ -351,7 +351,7 @@ bool IsGlobalVar(uptr addr) {
 // closes within glibc. The code is a pure hack.
 int ExtractResolvFDs(void *state, int *fds, int nfd) {
   int cnt = 0;
-  __res_state *statp = (__res_state*)state;
+  struct __res_state *statp = (struct __res_state*)state;
   for (int i = 0; i < MAXNS && cnt < nfd; i++) {
     if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)
       fds[cnt++] = statp->_u._ext.nssocks[i];
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<tr><td><span title='2020-09-13 23:34:23 +0200'>2020-09-13</span></td><td><a href='/guix/commit/gnu/services/certbot.scm?id=11a962e6536d59b8c5b24880fbb19550242ffa04'>services: certbot: Support registration without email.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/certbot.scm (certbot-configuration): Add default for the
email option.
(certbot-command): Pass email for registration only when specified.
* doc/guix.texi (Certificate Services): "mandatory"→"optional" email.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Timotej Lazar</td></tr>
 Update to 5.1.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/ruby-sanitize-system-libxml.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/ruby.scm (ruby-sanitize): Update to 5.1.0.
[source]: Change to GIT-FETCH.  Add patch.
[native-inputs]: Remove BUNDLER, RUBY-REDCARPET, and RUBY-YARD.
</span></span></td><td>Marius Bakke</td></tr>