gh-118846: Fix PGO tests in free-threaded build (#118862)

Avoid immortalizing objects in tests that verify garbage collection of
classes or modules.

This fixes test_ordered_dict and test_struct.

Sam Gross committed 1y ago

1b1db2fd9a531e26b79b34667bccfb938c4d184d

Parent: 71cc065

Committed by GitHub <noreply@github.com> on 5/9/2024, 8:06:20 PM