Rollup merge of #23056 - awlnx:master, r=nrc

[rust.git] / src / libsyntax / lib.rs

diff --git a/src/libsyntax/lib.rs b/src/libsyntax/lib.rs
index c0977508112c5db14eea7d7ea03203ae9cd03d0e..ba3f495cdaced73c40188a8b3abff820fcb08229 100644 (file)
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -14,6 +14,8 @@
 //!
 //! This API is completely unstable and subject to change.
 
+// Do not remove on snapshot creation. Needed for bootstrap. (Issue #22364)
+#![cfg_attr(stage0, feature(custom_attribute))]
 #![crate_name = "syntax"]
 #![unstable(feature = "rustc_private")]
 #![staged_api]