Rollup merge of rust-lang#53732 - emilio:foreign-fn, r=nrc

save-analysis: Differentiate foreign functions and statics.

Author: pietroalbini

src/librustc_save_analysis/lib.rs

@@ -148,7 +148,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                 filter!(self.span_utils, sub_span, item.span, None);
 
                 Some(Data::DefData(Def {
-                    kind: DefKind::Function,
+                    kind: DefKind::ForeignFunction,
                     id: id_from_node_id(item.id, self),
                     span: self.span_from_span(sub_span.unwrap()),
                     name: item.ident.to_string(),
@@ -171,7 +171,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                 let span = self.span_from_span(sub_span.unwrap());
 
                 Some(Data::DefData(Def {
-                    kind: DefKind::Static,
+                    kind: DefKind::ForeignStatic,
                     id,
                     span,
                     name: item.ident.to_string(),