pretty-print: Do not lose the $crate printing flag in print_tt

src/test/ui/macros/auxiliary/dollar-crate-nested-encoding.rs

@@ -0,0 +1,10 @@
+pub type S = u8;
+
+macro_rules! generate_exported { () => {
+    #[macro_export]
+    macro_rules! exported {
+        () => ($crate::S)
+    }
+}}
+
+generate_exported!();