[CanonicalizeOSSALifetime] Bail early in lifetime extension backwards walk. #66680
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While collecting originalLiveBlocks, walking backward from consuming blocks, if a visited block is already in originalLiveBlocks, don't visit its predecessors. Continuing the backwards walk is wasteful. rdar://110854874
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@swift-ci please test |
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While collecting originalLiveBlocks, walking backward from consuming blocks, if a visited block is already in originalLiveBlocks, don't visit its predecessors.
Continuing the backwards walk is wasteful.
rdar://110854874