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Rollup merge of #129355 - RalfJung:PlaceMention, r=compiler-errors

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fix comment on PlaceMention semantics

It seems this was simply missed in https://github.com/rust-lang/rust/pull/114330.
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Matthias Krüger 2024-08-21 18:15:06 +02:00 committed by GitHub
commit 9fd2832a7e
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compiler/rustc_middle/src/mir/syntax.rs
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@ -395,7 +395,7 @@ pub enum StatementKind<'tcx> {
/// `PlaceMention(PLACE)`.
///
/// When executed at runtime, this computes the given place, but then discards
/// it without doing a load. It is UB if the place is not pointing to live memory.
/// it without doing a load. `let _ = *ptr;` is fine even if the pointer is dangling.
PlaceMention(Box<Place<'tcx>>),
/// Encodes a user's type ascription. These need to be preserved