Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-expand/src/lib.rs')
-rw-r--r--crates/hir-expand/src/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/crates/hir-expand/src/lib.rs b/crates/hir-expand/src/lib.rs
index db8bbeccef..338bd25ede 100644
--- a/crates/hir-expand/src/lib.rs
+++ b/crates/hir-expand/src/lib.rs
@@ -3,7 +3,7 @@
//! Specifically, it implements a concept of `MacroFile` -- a file whose syntax
//! tree originates not from the text of some `FileId`, but from some macro
//! expansion.
-
+#![cfg_attr(feature = "in-rust-tree", feature(rustc_private))]
#![warn(rust_2018_idioms, unused_lifetimes)]
pub mod attrs;