bjoernager/rust
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Add new Deinit statement kind

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This commit is contained in:
Jakob Degen 2022-04-05 17:14:59 -04:00
parent d00e77078c
commit 9b6b1a625b
27 changed files with 141 additions and 66 deletions
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3
compiler/rustc_mir_dataflow/src/impls/storage_liveness.rs
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@ -131,7 +131,8 @@ impl<'mir, 'tcx> crate::GenKillAnalysis<'tcx> for MaybeRequiresStorage<'mir, 'tc
// If a place is assigned to in a statement, it needs storage for that statement.
StatementKind::Assign(box (place, _))
| StatementKind::SetDiscriminant { box place, .. } => {
| StatementKind::SetDiscriminant { box place, .. }
| StatementKind::Deinit(box place) => {
trans.gen(place.local);
}

4
compiler/rustc_mir_dataflow/src/move_paths/builder.rs
View file

@ -296,10 +296,10 @@ impl<'b, 'a, 'tcx> Gatherer<'b, 'a, 'tcx> {
StatementKind::StorageDead(local) => {
self.gather_move(Place::from(*local));
}
StatementKind::SetDiscriminant { .. } => {
StatementKind::SetDiscriminant { .. } | StatementKind::Deinit(..) => {
span_bug!(
stmt.source_info.span,
"SetDiscriminant should not exist during borrowck"
"SetDiscriminant/Deinit should not exist during borrowck"
);
}
StatementKind::Retag { .. }