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-rw-r--r--src/librustc_passes/ast_validation.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_passes/ast_validation.rs b/src/librustc_passes/ast_validation.rs
index e625334040e..d1a801b3006 100644
--- a/src/librustc_passes/ast_validation.rs
+++ b/src/librustc_passes/ast_validation.rs
@@ -328,7 +328,7 @@ impl<'a> AstValidator<'a> {
                 let arr = [sym::allow, sym::cfg, sym::cfg_attr, sym::deny, sym::forbid, sym::warn];
                 !arr.contains(&attr.name_or_empty()) && is_builtin_attr(attr)
             })
-            .for_each(|attr| if attr.is_sugared_doc {
+            .for_each(|attr| if attr.is_doc_comment() {
                 let mut err = self.err_handler().struct_span_err(
                     attr.span,
                     "documentation comments cannot be applied to function parameters"