Visit type in process_projection_elem.

2021-10-16 14:03:30 +02:00
parent 6d246f0c8d
commit 29b30a9bd2
4 changed files with 6 additions and 60 deletions
--- a/compiler/rustc_middle/src/mir/visit.rs
+++ b/compiler/rustc_middle/src/mir/visit.rs
@@ -1004,8 +1004,12 @@ macro_rules! visit_place_fns {

                    if new_local == local { None } else { Some(PlaceElem::Index(new_local)) }
                }
+                PlaceElem::Field(field, ty) => {
+                    let mut new_ty = ty;
+                    self.visit_ty(&mut new_ty, TyContext::Location(location));
+                    if ty != new_ty { Some(PlaceElem::Field(field, new_ty)) } else { None }
+                }
                PlaceElem::Deref
-                | PlaceElem::Field(..)
                | PlaceElem::ConstantIndex { .. }
                | PlaceElem::Subslice { .. }
                | PlaceElem::Downcast(..) => None,