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-rw-r--r--src/libsyntax/attr/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/attr/mod.rs b/src/libsyntax/attr/mod.rs
index 436620ae729..08bea08c257 100644
--- a/src/libsyntax/attr/mod.rs
+++ b/src/libsyntax/attr/mod.rs
@@ -60,7 +60,7 @@ pub fn is_known(attr: &Attribute) -> bool {
 }
 
 pub fn is_known_lint_tool(m_item: Ident) -> bool {
-    ["clippy"].contains(&m_item.as_str().as_ref())
+    ["clippy", "rustc"].contains(&m_item.as_str().as_ref())
 }
 
 impl NestedMetaItem {