Fixup RustcDeserialize internal features

rust-lang · Feb 11, 2019 · da8352c · da8352c
1 parent 1920836
commit da8352c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
@@ -942,6 +942,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
                     Symbol::intern("rustc_attrs"),
                     Symbol::intern("derive_clone_copy"),
                     Symbol::intern("derive_eq"),
+                    Symbol::intern("libstd_sys_internals"), // RustcDeserialize and RustcSerialize
                 ];
                 invoc.expansion_data.mark.set_expn_info(expn_info);
                 let span = span.with_ctxt(self.cx.backtrace());