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| author | bors <bors@rust-lang.org> | 2023-11-19 18:42:20 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-11-19 18:42:20 +0000 |
| commit | d19980e1ce9cde530240ed9d42ab54bb79ce8b40 (patch) | |
| tree | 4c1ad0b8246d11591ffce106c91e039a32322a02 /tests/rustdoc-js/slice-array.js | |
| parent | 290fc68f2d27b67da5fd176965c42c01ea4c57fe (diff) | |
| parent | c7b8dd4e93ff1fa5e2136cdd43e1e563ae45f3b8 (diff) | |
| download | rust-d19980e1ce9cde530240ed9d42ab54bb79ce8b40.tar.gz rust-d19980e1ce9cde530240ed9d42ab54bb79ce8b40.zip | |
Auto merge of #117500 - RalfJung:aggregate-abi, r=davidtwco
Ensure sanity of all computed ABIs This moves the ABI sanity assertions from the codegen backend to the ABI computation logic. Sadly, due to past mistakes, we [have to](https://github.com/rust-lang/rust/pull/117351#issuecomment-1788495503) be able to compute a sane ABI for nonsensical function types like `extern "C" fn(str) -> str`. So to make the sanity check pass we first need to make all ABI adjustment deal with unsized types... and we have no shared infrastructure for those adjustments, so that's a bunch of copy-paste. At least we have assertions failing loudly when one accidentally sets a different mode for an unsized argument. To achieve this, this re-lands the parts of https://github.com/rust-lang/rust/pull/80594 that got reverted in https://github.com/rust-lang/rust/pull/81388. To avoid breaking wasm ABI again, that ABI now explicitly opts-in to the (wrong, broken) ABI that we currently keep for backwards compatibility. That's still better than having *every* ABI use the wrong broken default! Cc `@bjorn3` Fixes https://github.com/rust-lang/rust/issues/115845
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