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Rollup merge of #113914 - dvdhrm:pr/zstdup, r=cjgillot

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rustc_target: drop duplicate code

Drop duplicate helper methods on `Layout`, which are already implemented on `LayoutS`. Note that `Layout` has a `Deref` implementation to `LayoutS`, so all accessors are automatically redirected.

The methods are identical and have been copied to `rustc_abi` in:

    commit 390a637e29
    Author: hamidreza kalbasi <hamidrezakalbasi@protonmail.com>
    Date:   Mon Nov 7 00:36:11 2022 +0330

        move things from rustc_target::abi to rustc_abi

This commit left behind the original implementation. Drop it now.

(originally moved by ``@HKalbasi)``
This commit is contained in:
Matthias Krüger 2023-07-21 17:17:42 +02:00 committed by GitHub
commit 1aaf583fa4
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1 changed files with 0 additions and 21 deletions
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21
compiler/rustc_target/src/abi/mod.rs
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@ -140,24 +140,3 @@ pub fn offset_of_subfield<C>(self, cx: &C, indices: impl Iterator<Item = usize>)
offset
}
}
impl<'a, Ty> TyAndLayout<'a, Ty> {
/// Returns `true` if the layout corresponds to an unsized type.
pub fn is_unsized(&self) -> bool {
self.abi.is_unsized()
}
#[inline]
pub fn is_sized(&self) -> bool {
self.abi.is_sized()
}
/// Returns `true` if the type is a ZST and not unsized.
pub fn is_zst(&self) -> bool {
match self.abi {
Abi::Scalar(_) | Abi::ScalarPair(..) | Abi::Vector { .. } => false,
Abi::Uninhabited => self.size.bytes() == 0,
Abi::Aggregate { sized } => sized && self.size.bytes() == 0,
}
}
}