gh-108311: Fix test_store_attr_with_hint by disabling optimizer in decorator (#108312)

See #108311 (comment)

---------

Co-authored-by: AlexWaygood <[email protected]>

Author: gvanrossum

Lib/test/test_opcache.py

@@ -8,6 +8,19 @@
 import _testinternalcapi
 
 
+def disabling_optimizer(func):
+    def wrapper(*args, **kwargs):
+        import _testinternalcapi
+        old_opt = _testinternalcapi.get_optimizer()
+        _testinternalcapi.set_optimizer(None)
+        try:
+            return func(*args, **kwargs)
+        finally:
+            _testinternalcapi.set_optimizer(old_opt)
+
+    return wrapper
+
+
 class TestLoadSuperAttrCache(unittest.TestCase):
     def test_descriptor_not_double_executed_on_spec_fail(self):
         calls = []
@@ -502,6 +515,7 @@ def assert_specialized(self, f, opname):
         opnames = {instruction.opname for instruction in instructions}
         self.assertIn(opname, opnames)
 
+    @disabling_optimizer
     def assert_races_do_not_crash(
         self, opname, get_items, read, write, *, check_items=False
     ):