Fix potential use-after-free in emitFuncToBlock exposed by enabling o… #23218
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…wnership verification on PrintAsObjC/blocks.swift. If the block is guaranteed, we need to be sure to copy here. This can happen for instance with arguments (where this was caught). I added a SILGen test that exposes this failure since this is not an actual bug in PrintAsObjC.
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@swift-ci smoke test and merge |
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…wnership verification on PrintAsObjC/blocks.swift.
If the block is guaranteed, we need to be sure to copy here. This can happen for
instance with arguments (where this was caught). I added a SILGen test that
exposes this failure since this is not an actual bug in PrintAsObjC.