Fixed 31207 -- Prevented references to non-local remote fields in ForeignKey.to_field.

Thanks Simon Charette for the initial patch and review.

django/db/models/fields/related.py

@@ -923,6 +923,21 @@ class ForeignKey(ForeignObject):
                 },  # 'pk' is included for backwards compatibility
             )
 
+    def resolve_related_fields(self):
+        related_fields = super().resolve_related_fields()
+        for from_field, to_field in related_fields:
+            if to_field and to_field.model != self.remote_field.model._meta.concrete_model:
+                raise exceptions.FieldError(
+                    "'%s.%s' refers to field '%s' which is not local to model "
+                    "'%s'." % (
+                        self.model._meta.label,
+                        self.name,
+                        to_field.name,
+                        self.remote_field.model._meta.concrete_model._meta.label,
+                    )
+                )
+        return related_fields
+
     def get_attname(self):
         return '%s_id' % self.name