1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/keep-expr-tokens.rs b/src/test/ui/proc-macro/keep-expr-tokens.rs
index 888785363cf..0bf889a855d 100644
--- a/src/test/ui/proc-macro/keep-expr-tokens.rs
+++ b/src/test/ui/proc-macro/keep-expr-tokens.rs
@@ -1,7 +1,12 @@
 // aux-build:test-macros.rs
+// compile-flags: -Z span-debug
 
 #![feature(stmt_expr_attributes)]
 #![feature(proc_macro_hygiene)]
+#![feature(rustc_attrs)]
+
+#![no_std] // Don't load unnecessary hygiene information from std
+extern crate std;
 
 extern crate test_macros;
 
@@ -12,4 +17,8 @@ fn main() {
     for item in missing_fn() {} //~ ERROR cannot find
 
     (#[recollect_attr] #[recollect_attr] ((#[recollect_attr] bad))); //~ ERROR cannot
+
+    #[test_macros::print_attr]
+    #[rustc_dummy]
+    { 1 +1; } // Don't change the weird spacing of the '+'
 }