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| author | Steve Klabnik <steve@steveklabnik.com> | 2017-01-23 16:40:49 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-01-23 16:40:49 -0500 |
| commit | e113038a3617722169d7f4a69cdc99989d9caf49 (patch) | |
| tree | 2b3424d86bfa604d41bd45b3ab07e0743eb8a0f6 /src/test/incremental/thinlto | |
| parent | 9df2daf34c1624bbd09ab5243120f58e4c9c40c2 (diff) | |
| parent | c7b092b47d8e50b58c975040af0a84a544f7fa7a (diff) | |
| download | rust-e113038a3617722169d7f4a69cdc99989d9caf49.tar.gz rust-e113038a3617722169d7f4a69cdc99989d9caf49.zip | |
Rollup merge of #39191 - cesarb:book/trait-objects-vtable-size-and-align, r=steveklabnik
book: size and align in trait object vtables are used The book currently claims that the `size` and `align` fields in the trait object vtable are not used, but this is false. These two fields are used by the stable `mem::size_of_val` and `mem::align_of_val` functions. See the `ty::TyDynamic` case of the `glue::size_and_align_of_dst` function in librustc_trans, which is used to implement both intrinsics in the unsized case. r? @steveklabnik
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