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Rollup merge of #96872 - RalfJung:layout-sanity, r=eddyb 
make sure ScalarPair enums have ScalarPair variants; add some layout sanity checks

`@eddyb` suggested that it might be reasonable for `ScalarPair` enums to simply adjust the ABI of their variants accordingly, such that the layout invariant Miri expects actually holds. This PR implements that. I should note though that I don't know much about this layout computation code and what non-Miri consumers expect from it, so tread with caution!

I also added a function to sanity-check that computed layouts are internally consistent. This helped a lot in figuring out the final shape of this PR, though I am also not 100% sure that these sanity checks are the right ones.

Cc `@oli-obk`
Fixes https://github.com/rust-lang/rust/issues/96221
2022-05-10 08:24:05 +02:00
..
benches mv compiler to compiler/ 2020-08-30 18:45:07 +03:00
src Rollup merge of #96872 - RalfJung:layout-sanity, r=eddyb 2022-05-10 08:24:05 +02:00
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.