Fix ast expanded printing for anonymous types

Author: jedel1043

compiler/rustc_ast_pretty/src/pprust/state.rs

@@ -955,12 +955,12 @@ impl<'a> State<'a> {
                 self.pclose();
             }
             ast::TyKind::AnonymousStruct(ref fields, ..) => {
-                self.s.word("struct");
-                self.print_record_struct_body(fields, ty.span);
+                self.head("struct");
+                self.print_record_struct_body(&fields, ty.span);
             }
             ast::TyKind::AnonymousUnion(ref fields, ..) => {
-                self.s.word("union");
-                self.print_record_struct_body(fields, ty.span);
+                self.head("union");
+                self.print_record_struct_body(&fields, ty.span);
             }
             ast::TyKind::Paren(ref typ) => {
                 self.popen();
@@ -1397,12 +1397,7 @@ impl<'a> State<'a> {
         }
     }
 
-    crate fn print_record_struct_body(
-        &mut self,
-        fields: &Vec<ast::FieldDef>,
-        span: rustc_span::Span,
-    ) {
-        self.nbsp();
+    crate fn print_record_struct_body(&mut self, fields: &[ast::FieldDef], span: rustc_span::Span) {
         self.bopen();
         self.hardbreak_if_not_bol();
 
@@ -1451,6 +1446,7 @@ impl<'a> State<'a> {
             }
             ast::VariantData::Struct(ref fields, ..) => {
                 self.print_where_clause(&generics.where_clause);
+                self.nbsp();
                 self.print_record_struct_body(fields, span);
             }
         }