Add new Deinit statement kind

Author: JakobDegen

clippy_utils/src/qualify_min_const_fn.rs

@@ -211,7 +211,8 @@ fn check_statement<'tcx>(
 
         StatementKind::FakeRead(box (_, place)) => check_place(tcx, *place, span, body),
         // just an assignment
-        StatementKind::SetDiscriminant { place, .. } => check_place(tcx, **place, span, body),
+        StatementKind::SetDiscriminant { place, .. } | StatementKind::Deinit(place) => 
+            check_place(tcx, **place, span, body),
 
         StatementKind::CopyNonOverlapping(box rustc_middle::mir::CopyNonOverlapping { dst, src, count }) => {
             check_operand(tcx, dst, span, body)?;