Brent Westbrook f0fe6d62fb Fix syntax error false positive on nested alternative patterns (#21104) ... ## Summary Fixes #21101 by storing the child visitor's names in the parent visitor. This makes sure that `visitor.names` on line 1818 isn't empty after we visit a nested OR pattern. ## Test Plan New inline test cases derived from the issue, [playground](https://play.ruff.rs/7b6439ac-ee8f-4593-9a3e-c2aa34a595d0)		2025-10-30 13:40:03 -04:00
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err	Catch syntax errors in nested interpolations before Python 3.12 (#20949)	2025-10-20 09:03:13 -04:00
ok	Fix syntax error false positive on nested alternative patterns (#21104)	2025-10-30 13:40:03 -04:00