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-rw-r--r--compiler/rustc_parse/src/validate_attr.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs
index bb5c1e0e653..3e80af82bef 100644
--- a/compiler/rustc_parse/src/validate_attr.rs
+++ b/compiler/rustc_parse/src/validate_attr.rs
@@ -316,6 +316,7 @@ pub fn check_builtin_meta_item(
                 | sym::rustc_layout_scalar_valid_range_start
                 | sym::rustc_layout_scalar_valid_range_end
                 | sym::no_implicit_prelude
+                | sym::automatically_derived
         ) {
             return;
         }