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| author | bors <bors@rust-lang.org> | 2022-08-26 21:50:09 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2022-08-26 21:50:09 +0000 |
| commit | 2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2 (patch) | |
| tree | f8fda39334d16175c69f121ad282df2f9d92e9fd /compiler/rustc_codegen_llvm/src | |
| parent | c07a8b4e09f356c7468b69c50cac7fc5b5000b8a (diff) | |
| parent | 62b6a8b7b84ebaa375bd2b3a2f1df75b640be0ab (diff) | |
| download | rust-2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2.tar.gz rust-2b443a8d97ff1f26c35e4bcf682bf9a89e8a66d2.zip | |
Auto merge of #100043 - RalfJung:scalar-always-init, r=RalfJung
interpret: remove support for uninitialized scalars With Miri no longer supporting `-Zmiri-allow-uninit-numbers`, we no longer need to support storing uninit data in a `Scalar`. We anyway already only use this representation for types with *initialized* `Scalar` layout (and we have to, due to partial initialization), so let's get rid of the `ScalarMaybeUninit` type entirely. I tried to stage this into meaningful commits, but the one that changes `read_immediate` to always trigger UB on uninit is the largest chunk of the PR and I don't see how it could be subdivided. Fixes https://github.com/rust-lang/miri/issues/2187 r? `@oli-obk`
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