; while the PLA is still evaluating
The semantics around releasing locks with pending reads were also unclear for years. If you called read() but didn't await it, then called releaseLock(), what happened? The spec was recently clarified to cancel pending reads on lock release — but implementations varied, and code that relied on the previous unspecified behavior can break.
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// 易错点4：错误弹出栈顶 → 破坏独立车队的时间记录，导致结果错误