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| author | bors <bors@rust-lang.org> | 2023-01-04 06:28:05 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-01-04 06:28:05 +0000 |
| commit | ddad1e1f15f77074738bb3d7fb7688a9177b6450 (patch) | |
| tree | 805c0c24682e69fc40fba1ff446aa1a8a8f8d6ee /tests/rustdoc-js-std/parser-errors.js | |
| parent | c361616c3ca3e3e3069dbdf90557181233387444 (diff) | |
| parent | a5d39cf290d9762d982b6930f10fb4dd34119c3f (diff) | |
| download | rust-ddad1e1f15f77074738bb3d7fb7688a9177b6450.tar.gz | |
Auto merge of #104376 - compiler-errors:thin-metadata-implies-thin-ptr, r=wesleywiser
layout_of: `T: Thin` implies `sizeof(&T) == sizeof(usize)`
Use the `<T as Pointee>::Metadata` associated type to calculate the layout of a pointee's metadata, instead of hard-coding rules about certain types.
Maybe this approach is overkill -- we could instead hard-code this approach as a fallback, with the matching on `Slice`/`Dynamic`/etc. happening first
Fixes this issue here https://github.com/rust-lang/rust/pull/104338#issuecomment-1312595844 .. But is also useful with transmutes, for example, given the UI test I added below.
Diffstat (limited to 'tests/rustdoc-js-std/parser-errors.js')
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