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2d3b1e014b
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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| alloc | ||
| backtrace@5e05efa879 | ||
| core | ||
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| panic_unwind | ||
| portable-simd | ||
| proc_macro | ||
| profiler_builtins | ||
| rtstartup | ||
| rustc-std-workspace-alloc | ||
| rustc-std-workspace-core | ||
| rustc-std-workspace-std | ||
| std | ||
| stdarch@df3618d9f3 | ||
| sysroot | ||
| test | ||
| unwind | ||