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Rollup merge of #110364 - matthiaskrgr:anti_clone, r=Nilstrieb

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remove redundant clones
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Yuki Okushi 2023-04-16 06:55:23 +09:00 • committed by GitHub
commit 99e59dbef3
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2 changed files with 12 additions and 11 deletions
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15
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
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@ -2944,22 +2944,25 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
rustc_transmute::Answer::No(reason) => {
let dst = trait_ref.skip_binder().substs.type_at(0);
let src = trait_ref.skip_binder().substs.type_at(1);
let custom_err_msg = format!("`{src}` cannot be safely transmuted into `{dst}` in the defining scope of `{scope}`").to_string();
let custom_err_msg = format!(
"`{src}` cannot be safely transmuted into `{dst}` in the defining scope of `{scope}`"
);
let reason_msg = match reason {
rustc_transmute::Reason::SrcIsUnspecified => {
format!("`{src}` does not have a well-specified layout").to_string()
format!("`{src}` does not have a well-specified layout")
}
rustc_transmute::Reason::DstIsUnspecified => {
format!("`{dst}` does not have a well-specified layout").to_string()
format!("`{dst}` does not have a well-specified layout")
}
rustc_transmute::Reason::DstIsBitIncompatible => {
format!("At least one value of `{src}` isn't a bit-valid value of `{dst}`")
.to_string()
}
rustc_transmute::Reason::DstIsPrivate => format!(
"`{dst}` is or contains a type or field that is not visible in that scope"
)
.to_string(),
),
// FIXME(bryangarza): Include the number of bytes of src and dst
rustc_transmute::Reason::DstIsTooBig => {
format!("The size of `{src}` is smaller than the size of `{dst}`")