This test fails on i686-linux. I couldn't come up with a regex that
could be used to disable it just on i686-linux, so we disable it
completely with this patch:

https://gitlab.freedesktop.org/mesa/mesa/-/issues/4091

diff --git a/src/util/meson.build b/src/util/meson.build
index 319b22d9bf7..93790c72675 100644
--- a/src/util/meson.build
+++ b/src/util/meson.build
@@ -344,7 +344,7 @@ if with_tests
     )
   endif
 
-  foreach t: ['bitset', 'register_allocate', 'u_debug_stack', 'u_qsort']
+  foreach t: ['bitset', 'register_allocate', 'u_qsort']
     test(
       t,
       executable(
ype='hidden' name='id' value='16372cb347f071b398285678ab2634d71c897954'/><select name='h' onchange='this.form.submit();'>
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<div class='path'>path: <a href='/guix/log/?id=16372cb347f071b398285678ab2634d71c897954'>root</a>/<a href='/guix/log/scripts?id=16372cb347f071b398285678ab2634d71c897954'>scripts</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/scripts?id=16372cb347f071b398285678ab2634d71c897954&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-12-11 19:06:53 +0100'>2020-12-11</span></td><td><a href='/guix/commit/scripts?id=fd247542215fbd10f28980f3d5255014b150e95a'>build: 'script/guix' uses our own 'guile' executable.</a><span class='msg-avail'>...<span class='msg-tooltip'>* Makefile.am (do_subst): Substitute @abs_top_builddir@.
* scripts/guix.in: Use it.
</span></span></td><td>Ludovic Courtès</td></tr>