XXX TBD

diff -wpruN --no-dereference '--exclude=*.orig' a~/Lib/test/test_re.py a/Lib/test/test_re.py
--- a~/Lib/test/test_re.py	1970-01-01 00:00:00
+++ a/Lib/test/test_re.py	1970-01-01 00:00:00
@@ -2180,6 +2180,7 @@ class ReTests(unittest.TestCase):
         is_emscripten or is_wasi,
         "musl libc issue on Emscripten/WASI, bpo-46390"
     )
+    @unittest.skipIf(sys.platform.startswith("sunos"), "locale")
     def test_locale_caching(self):
         # Issue #22410
         oldlocale = locale.setlocale(locale.LC_CTYPE)
@@ -2220,6 +2221,7 @@ class ReTests(unittest.TestCase):
         is_emscripten or is_wasi,
         "musl libc issue on Emscripten/WASI, bpo-46390"
     )
+    @unittest.skipIf(sys.platform.startswith("sunos"), "locale")
     def test_locale_compiled(self):
         oldlocale = locale.setlocale(locale.LC_CTYPE)
         self.addCleanup(locale.setlocale, locale.LC_CTYPE, oldlocale)