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-rw-r--r--src/libsyntax/feature_gate.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index 9c6520cd874..ae0556320b0 100644
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -984,6 +984,11 @@ pub const BUILTIN_ATTRIBUTES: &'static [(&'static str, AttributeType, AttributeG
                                  "wasm_import_memory attribute is currently unstable",
                                  cfg_fn!(wasm_import_memory))),
 
+    ("rustc_args_required_const", Whitelisted, Gated(Stability::Unstable,
+                                 "rustc_attrs",
+                                 "never will be stable",
+                                 cfg_fn!(rustc_attrs))),
+
     // Crate level attributes
     ("crate_name", CrateLevel, Ungated),
     ("crate_type", CrateLevel, Ungated),