Update to new API

Author: GuillaumeGomez

src/librustdoc/clean/types.rs

@@ -807,7 +807,7 @@ impl Item {
     ) -> Vec<String> {
         let mut attrs = self.attributes_without_repr(tcx, is_json);
 
-        if let Some(repr_attr) = self.repr(tcx, cache) {
+        if let Some(repr_attr) = self.repr(tcx, cache, is_json) {
             attrs.push(repr_attr);
         }
         attrs

src/librustdoc/html/render/mod.rs

@@ -1222,7 +1222,7 @@ fn render_repr_attributes_in_code(
     def_id: DefId,
     item_type: ItemType,
 ) {
-    if let Some(repr) = clean::repr_attributes(cx.tcx(), cx.cache(), def_id, item_type) {
+    if let Some(repr) = clean::repr_attributes(cx.tcx(), cx.cache(), def_id, item_type, false) {
         render_code_attribute(CodeAttribute(repr), w);
     }
 }

src/librustdoc/html/render/print_item.rs

@@ -1479,6 +1479,7 @@ impl<'a, 'cx: 'a> ItemUnion<'a, 'cx> {
                     self.cx.cache(),
                     self.def_id,
                     ItemType::Union,
+                    false,
                 ) {
                     writeln!(f, "{repr}")?;
                 };