bjoernager/rust
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Add a non-shallow fake borrow

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This commit is contained in:
Nadrieril 2024-04-07 00:30:28 +02:00
parent 511bd78863
commit 50531806ee
32 changed files with 188 additions and 92 deletions
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2
compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs
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@ -29,7 +29,7 @@ impl<'tcx> MirPass<'tcx> for CleanupPostBorrowck {
for statement in basic_block.statements.iter_mut() {
match statement.kind {
StatementKind::AscribeUserType(..)
| StatementKind::Assign(box (_, Rvalue::Ref(_, BorrowKind::Fake, _)))
| StatementKind::Assign(box (_, Rvalue::Ref(_, BorrowKind::Fake(_), _)))
| StatementKind::Coverage(
// These kinds of coverage statements are markers inserted during
// MIR building, and are not needed after InstrumentCoverage.

2
compiler/rustc_mir_transform/src/promote_consts.rs
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@ -384,7 +384,7 @@ impl<'tcx> Validator<'_, 'tcx> {
match kind {
// Reject these borrow types just to be safe.
// FIXME(RalfJung): could we allow them? Should we? No point in it until we have a usecase.
BorrowKind::Fake | BorrowKind::Mut { kind: MutBorrowKind::ClosureCapture } => {
BorrowKind::Fake(_) | BorrowKind::Mut { kind: MutBorrowKind::ClosureCapture } => {
return Err(Unpromotable);
}