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| author | 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com> | 2024-05-29 03:25:07 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-05-29 03:25:07 +0100 |
| commit | 2d3b1e014be923767f36c4b231feb2672e853043 (patch) | |
| tree | 33dc67352ff8a196abbff2fc0726d8032330732d /compiler/rustc_errors/src | |
| parent | da159eb331b27df528185c616b394bb0e1d2a4bd (diff) | |
| parent | 57948c84ecf654bdbf29adcee095e7e10b1c0640 (diff) | |
| download | rust-2d3b1e014be923767f36c4b231feb2672e853043.tar.gz rust-2d3b1e014be923767f36c4b231feb2672e853043.zip | |
Rollup merge of #124251 - scottmcm:unop-ptr-metadata, r=oli-obk
Add an intrinsic for `ptr::metadata` The follow-up to #123840, so we can remove `PtrComponents` and `PtrRepr` from libcore entirely (well, after a bootstrap update). As discussed in <https://rust-lang.zulipchat.com/#narrow/stream/189540-t-compiler.2Fwg-mir-opt/topic/.60ptr_metadata.60.20in.20MIR/near/435637808>, this introduces `UnOp::PtrMetadata` taking a raw pointer and returning the associated metadata value. By no longer going through a `union`, this should also help future PRs better optimize pointer operations. r? ``@oli-obk``
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