Merge branch 'backport-4078-clang-discarded-qualifiers-glib-2-80' into 'glib-2-80'

Backport !4078 “tests: Fix clang compilation failure due to unrecognised option in pragma” to glib-2-80

See merge request GNOME/glib!4079

.gitlab-ci.yml

@@ -602,7 +602,7 @@ vs2017-x64-static:
       - _build/meson-logs
 
 freebsd-13-x86_64:
-  extends: .only-origin-or-manual
+  extends: .only-schedules-or-manual
   stage: build
   tags:
     - freebsd-13

glib/tests/atomic.c

@@ -136,6 +136,8 @@ test_types (void)
    * to make sure that we don’t warn when built against older third party code. */
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wincompatible-pointer-types"
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic ignored "-Wunknown-warning-option"
 #pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
   g_atomic_pointer_set (&vp_str_vol, NULL);
   g_atomic_pointer_set (&vp_str, str);