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Diffstat (limited to 'src/libsyntax_ext')
| -rw-r--r-- | src/libsyntax_ext/lib.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax_ext/lib.rs b/src/libsyntax_ext/lib.rs index aa472eee3ca..ee0b86963f3 100644 --- a/src/libsyntax_ext/lib.rs +++ b/src/libsyntax_ext/lib.rs @@ -3,6 +3,7 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")] #![deny(rust_2018_idioms)] +#![cfg_attr(not(stage0), deny(internal))] #![feature(in_band_lifetimes)] #![feature(proc_macro_diagnostic)] |