[semantic-arc-opts] Do not perform the (guaranteed (copy)) -> (guaranteed) transform if all destroys are dead end and we have a local borrow scope. #28235
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…teed) transform if all destroys are dead end and we have a local borrow scope. This is an analogous fix to a previous fix where we were eliminating copies that were post-dominated by dead ends such that the copy_value did not have any destroys. rdar://56807157
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@swift-ci smoke test and merge |
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This is an analogous fix to a previous fix where we were eliminating copies that
were post-dominated by dead ends such that the copy_value did not have any
destroys.
rdar://56807157