edd7be59da
rustc_target/riscv: Fix passing of transparent unions with only one non-ZST member This ensures that `MaybeUninit<T>` has the same ABI as `T` when passed through an `extern "C"` function. Fixes https://github.com/rust-lang/rust/issues/115481. r? `@RalfJung` |
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README.md |
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