diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs index 08e296a8371..91428fd0864 100644 --- a/compiler/rustc_mir_transform/src/dest_prop.rs +++ b/compiler/rustc_mir_transform/src/dest_prop.rs @@ -328,7 +328,8 @@ fn visit_statement(&mut self, statement: &mut Statement<'tcx>, location: Locatio match &statement.kind { StatementKind::Assign(box (dest, rvalue)) => { match rvalue { - Rvalue::Use(Operand::Copy(place) | Operand::Move(place)) => { + Rvalue::CopyForDeref(place) + | Rvalue::Use(Operand::Copy(place) | Operand::Move(place)) => { // These might've been turned into self-assignments by the replacement // (this includes the original statement we wanted to eliminate). if dest == place { @@ -754,7 +755,7 @@ impl<'tcx> Visitor<'tcx> for FindAssignments<'_, '_, 'tcx> { fn visit_statement(&mut self, statement: &Statement<'tcx>, _: Location) { if let StatementKind::Assign(box ( lhs, - Rvalue::Use(Operand::Copy(rhs) | Operand::Move(rhs)), + Rvalue::CopyForDeref(rhs) | Rvalue::Use(Operand::Copy(rhs) | Operand::Move(rhs)), )) = &statement.kind { let Some((src, dest)) = places_to_candidate_pair(*lhs, *rhs, self.body) else {