Fix for https://github.com/swig/swig/issues/2145 made in unreleased upstream commit
https://github.com/swig/swig/commit/76d5a9ec270a763c892ae28070e391cf99e0b7cd

diff --git a/Examples/test-suite/nested_class.i b/Examples/test-suite/nested_class.i
index b10c339493e..c778a12cf7c 100644
--- a/Examples/test-suite/nested_class.i
+++ b/Examples/test-suite/nested_class.i
@@ -201,7 +201,7 @@ struct Outer {
     Integer xx;
   } MultipleInstanceAnonDerived1, MultipleInstanceAnonDerived2, *MultipleInstanceAnonDerived3, MultipleInstanceAnonDerived4[2];
 
-#if defined(__GNUC__) || defined(_MSC_VER) || defined(SWIG)
+#if (defined(__GNUC__) && __GNUC__ < 12) || defined(_MSC_VER) || defined(SWIG)
 /* some compilers do not accept these */
   struct : public InnerMultiple {
     Integer xx;
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<tr><td><span title='2022-08-01 17:20:27 +0200'>2022-08-01</span></td><td><a href='/guix/commit/gnu/packages/patches/fail2ban-0.11.2_fix-test-suite.patch?id=d7e7494bc4d69de9db49488ee812e572c3250211'>gnu: Add fail2ban.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/admin.scm (fail2ban): New variable.
* gnu/packages/patches/fail2ban-0.11.2_CVE-2021-32749.patch,
gnu/packages/patches/fail2ban-0.11.2_fix-setuptools-drop-2to3.patch,
gnu/packages/patches/fail2ban-0.11.2_fix-test-suite.patch,
gnu/packages/patches/fail2ban-paths-guix-conf.patch,
gnu/packages/patches/fail2ban-python310-server-action.patch,
gnu/packages/patches/fail2ban-python310-server-actions.patch,
gnu/packages/patches/fail2ban-python310-server-jails.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>muradm</td></tr>