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bors f262ca12aa Auto merge of #94527 - oli-obk:undef_scalars, r=nagisa,erikdesjardin 
Let CTFE to handle partially uninitialized unions without marking the entire value as uninitialized.

follow up to #94411

To fix https://github.com/rust-lang/rust/issues/69488 and by extension fix https://github.com/rust-lang/rust/issues/94371, we should stop treating types like `MaybeUninit<usize>` as something that the `Scalar` type in the interpreter engine can represent. So we add a new field to `abi::Primitive` that records whether the primitive is nested in a union

cc `@RalfJung`

r? `@ghost`
2022-04-05 16:46:13 +00:00
..
benches mv compiler to compiler/ 2020-08-30 18:45:07 +03:00
src Auto merge of #94527 - oli-obk:undef_scalars, r=nagisa,erikdesjardin 2022-04-05 16:46:13 +00:00
Cargo.toml Propagate parallel_compiler feature through rustc crates. Turned off feature gives change of builded crates: 238 -> 224. 2022-03-28 08:41:12 +03:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

For more information about how rustc works, see the rustc dev guide.