[5.0] Fix off-by-one when initializing Data with discontiguous, underestimated Sequences #23253
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airspeedswift
approved these changes
Mar 13, 2019
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What's in this pull request?
Cherry-picks #23244 to swift-5.0-branch (resolves rdar://problem/48775516)
Dataobjects with certain sequences of bytes will drop bytes at regular intervals, leading to data loss and corruption.Datawhich exercise this code path both internally and externally (including major clients like Vapor and nio-redis) and their clients (scope is wide here)