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-rw-r--r--compiler/rustc_parse/src/validate_attr.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs
index 67b68e77d2b..11424ec3724 100644
--- a/compiler/rustc_parse/src/validate_attr.rs
+++ b/compiler/rustc_parse/src/validate_attr.rs
@@ -271,6 +271,10 @@ pub fn check_builtin_meta_item(
         if matches!(
             name,
             sym::inline
+                | sym::export_stable
+                | sym::ffi_const
+                | sym::ffi_pure
+                | sym::rustc_std_internal_symbol
                 | sym::may_dangle
                 | sym::rustc_as_ptr
                 | sym::rustc_pub_transparent