Destroy local variables and temporaries at each `}`, and when branching
with `break` and `continue`. In `for` statements, destroy loop variables
along with anything created within the loop at the end of each loop
iteration, and destroy the cursor and range object when the loop
terminates.
Assisted-by: Gemini via Antigravity
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Co-authored-by: Geoff Romer <gromer@google.com>
Richard SmithandGeoff Romer
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