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Fix error report for size overflow from transmute

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This commit is contained in:
yukang 2023-09-03 10:58:13 +08:00
parent b588641208
commit 00010eda8b
6 changed files with 79 additions and 0 deletions
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2
compiler/rustc_transmute/src/maybe_transmutable/mod.rs
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@ -85,6 +85,8 @@ mod rustc {
(_, Err(Err::UnknownLayout)) => Answer::No(Reason::DstLayoutUnknown),
(Err(Err::Unspecified), _) => Answer::No(Reason::SrcIsUnspecified),
(_, Err(Err::Unspecified)) => Answer::No(Reason::DstIsUnspecified),
(Err(Err::SizeOverflow), _) => Answer::No(Reason::SrcSizeOverflow),
(_, Err(Err::SizeOverflow)) => Answer::No(Reason::DstSizeOverflow),
(Ok(src), Ok(dst)) => {
MaybeTransmutableQuery { src, dst, scope, assume, context }.answer()
}