Dennis Sweeney 39bc70e267 gh-97912: Avoid quadratic behavior when adding LOAD_FAST_CHECK (GH-97952) ...

* The compiler analyzes the usage of the first 64 local variables all at once using bit masks.

* Local variables beyond the first 64 are only partially analyzed, achieving linear time.

2022-10-20 18:27:41 -04:00

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