Issue #26583: merge from 3.5

Lib/test/test_import/__init__.py

@@ -278,6 +278,7 @@ class ImportTests(unittest.TestCase):
             """))
         script_helper.assert_python_ok(testfn)
 
+    @skip_if_dont_write_bytecode
     def test_timestamp_overflow(self):
         # A modification timestamp larger than 2**32 should not be a problem
         # when importing a module (issue #11235).

Misc/NEWS

@@ -846,6 +846,9 @@ Tests
 - ``PCbuild\rt.bat`` now accepts an unlimited number of arguments to pass along
   to regrtest.py.  Previously there was a limit of 9.
 
+- Issue #26583: Skip test_timestamp_overflow in test_import if bytecode
+  files cannot be written.
+
 Build
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