bjoernager/rust
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Introduce a no-op PlaceMention statement for let _ =.

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This commit is contained in:
Camille GILLOT 2022-09-06 18:41:01 +02:00
parent be758ef5ab
commit 4462bb54e3
44 changed files with 139 additions and 20 deletions
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1
compiler/rustc_mir_dataflow/src/impls/liveness.rs
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@ -263,6 +263,7 @@ impl<'a, 'tcx> Analysis<'tcx> for MaybeTransitiveLiveLocals<'a> {
| StatementKind::StorageDead(_)
| StatementKind::Retag(..)
| StatementKind::AscribeUserType(..)
| StatementKind::PlaceMention(..)
| StatementKind::Coverage(..)
| StatementKind::Intrinsic(..)
| StatementKind::ConstEvalCounter

1
compiler/rustc_mir_dataflow/src/impls/storage_liveness.rs
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@ -139,6 +139,7 @@ impl<'mir, 'tcx> crate::GenKillAnalysis<'tcx> for MaybeRequiresStorage<'mir, 'tc
// Nothing to do for these. Match exhaustively so this fails to compile when new
// variants are added.
StatementKind::AscribeUserType(..)
| StatementKind::PlaceMention(..)
| StatementKind::Coverage(..)
| StatementKind::FakeRead(..)
| StatementKind::ConstEvalCounter

1
compiler/rustc_mir_dataflow/src/move_paths/builder.rs
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@ -329,6 +329,7 @@ impl<'b, 'a, 'tcx> Gatherer<'b, 'a, 'tcx> {
}
StatementKind::Retag { .. }
| StatementKind::AscribeUserType(..)
| StatementKind::PlaceMention(..)
| StatementKind::Coverage(..)
| StatementKind::Intrinsic(..)
| StatementKind::ConstEvalCounter

1
compiler/rustc_mir_dataflow/src/value_analysis.rs
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@ -86,6 +86,7 @@ pub trait ValueAnalysis<'tcx> {
StatementKind::ConstEvalCounter
| StatementKind::Nop
| StatementKind::FakeRead(..)
| StatementKind::PlaceMention(..)
| StatementKind::Coverage(..)
| StatementKind::AscribeUserType(..) => (),
}