Merge pull request #90 from ville-h/26093

26093

Author: steveklabnik

src/26093.rs

@@ -0,0 +1,9 @@
+macro_rules! not_an_lvalue {
+    ($thing:expr) => {
+        $thing = 42;
+    }
+}
+
+fn main() {
+    not_an_lvalue!(99);
+}