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once byval abi is computed, the target abi isn't used further

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Co-authored-by: Ralf Jung <post@ralfj.de>
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erikdesjardins 2024-03-09 12:49:35 -05:00 committed by GitHub
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compiler/rustc_target/src/abi/call/mod.rs
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@ -60,7 +60,7 @@ pub enum PassMode {
/// attribute. The `byval` argument will use a byte array with the same size as the Rust type
/// (which ensures that padding is preserved and that we do not rely on LLVM's struct layout),
/// and will use the alignment specified in `attrs.pointee_align` (if `Some`) or the type's
/// alignment, depending on the target's ABI. This means that the alignment will not always
/// alignment (if `None`). This means that the alignment will not always
/// match the Rust type's alignment; see documentation of `make_indirect_byval` for more info.
///
/// `on_stack` cannot be true for unsized arguments, i.e., when `meta_attrs` is `Some`.