bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

fix false negative for unused_mut

Browse source
This commit is contained in:
Lukas Markeffsky 2023-04-28 19:35:40 +02:00
parent 43a78029b4
commit 69c71dacda
3 changed files with 23 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

11
compiler/rustc_borrowck/src/lib.rs
View file

@ -935,6 +935,7 @@ enum InitializationRequiringAction {
PartialAssignment,
}
#[derive(Debug)]
struct RootPlace<'tcx> {
place_local: Local,
place_projection: &'tcx [PlaceElem<'tcx>],
@ -1848,11 +1849,6 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
// is allowed, remove this match arm.
ty::Adt(..) | ty::Tuple(..) => {
check_parent_of_field(self, location, place_base, span, flow_state);
// rust-lang/rust#21232, #54499, #54986: during period where we reject
// partial initialization, do not complain about unnecessary `mut` on
// an attempt to do a partial initialization.
self.used_mut.insert(place.local);
}
_ => {}
@ -1940,6 +1936,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
(prefix, base, span),
mpi,
);
// rust-lang/rust#21232, #54499, #54986: during period where we reject
// partial initialization, do not complain about unnecessary `mut` on
// an attempt to do a partial initialization.
this.used_mut.insert(base.local);
}
}
}