Introduce HygieneFrames for proper token hyginee

crates/hir_ty/src/tests/macros.rs

@@ -370,6 +370,37 @@ expand!();
     );
 }
 
+#[test]
+fn infer_macro_with_dollar_crate_in_def_site() {
+    check_types(
+        r#"
+//- /main.rs crate:main deps:foo
+use foo::expand;
+
+macro_rules! list {
+    ($($tt:tt)*) => { $($tt)* }
+}
+
+fn test() {
+    let r = expand!();
+    r;
+  //^ u128
+}
+
+//- /lib.rs crate:foo
+#[macro_export]
+macro_rules! expand {
+    () => { list!($crate::m!()) };
+}
+
+#[macro_export]
+macro_rules! m {
+    () => { 0u128 };
+}
+"#,
+    );
+}
+
 #[test]
 fn infer_type_value_non_legacy_macro_use_as() {
     check_infer(