Transmute cleanup - #18318
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Whoa, so glad to see this gone 😍
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LGTM, but there's enough unsafe code here that I'd like a second look. |
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This doesn't need to be a transmute a simple as cast should work.
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Some of the transmutes here are DST-related and are waiting for a new snapshot with #17178. |
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@arielb1 should the r+ be removed until new snapshot lands? |
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This PR is snapshot-independent. Some further cleanup is waiting on #18291. |
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@arielb1 looks like this needs to be rebased |
None of them would break by implementation-defined struct layout, but one would break with strict lifetime aliasing, and the rest are just ugly code.
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clean-up transmutes in librustc and libsyntax