Nate Chandler 017f003147 [OSSA] Fix borrowCopyOverGuaranteedUsers dead-ends. ...

The utility was computing the boundary of the `copy_value` with the
`end_borrow`s as users.  But there may not be any `end_borrow`s thanks
to dead-ends.  Instead, consider both guaranteed users and any
`end_borrow`s.

Fixes a miscompile in CSE.

rdar://158353230

2025-08-14 17:05:26 -07:00

78 KiB

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