X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flibsyntax_ext%2Fderiving%2Fmod.rs;h=cd706f14a680dde01b80b4bb4fd2d1fac49f1aaa;hb=6f4ab9458a7ad06c8ce630604f533c8c0c0acef4;hp=31c7cc33676776487a41e6247add158c0edf673a;hpb=9f15631c36665911eb8e6f594ebcfe93e65a461c;p=rust.git

diff --git a/src/libsyntax_ext/deriving/mod.rs b/src/libsyntax_ext/deriving/mod.rs
index 31c7cc33676..cd706f14a68 100644
--- a/src/libsyntax_ext/deriving/mod.rs
+++ b/src/libsyntax_ext/deriving/mod.rs
@@ -162,7 +162,7 @@ fn call_intrinsic(cx: &ExtCtxt,
     } else { // Avoid instability errors with user defined curstom derives, cc #36316
         let mut info = cx.current_expansion.mark.expn_info().unwrap();
         info.callee.allow_internal_unstable = true;
-        let mark = Mark::fresh();
+        let mark = Mark::fresh(Mark::root());
         mark.set_expn_info(info);
         span.ctxt = SyntaxContext::empty().apply_mark(mark);
     }
@@ -173,6 +173,6 @@ fn call_intrinsic(cx: &ExtCtxt,
         stmts: vec![cx.stmt_expr(call)],
         id: ast::DUMMY_NODE_ID,
         rules: ast::BlockCheckMode::Unsafe(ast::CompilerGenerated),
-        span: span,
+        span,
     }))
 }