Account for `ty::Error` when suggesting `impl Trait` or `Box<dyn Trait>`

[rust.git] / src / libsyntax / attr / builtin.rs

diff --git a/src/libsyntax/attr/builtin.rs b/src/libsyntax/attr/builtin.rs
index 70f4f47621a348ce36acbef9d39d83b42db36d6c..6cfe4f2de1e96b1ae1857f64de39aae50d8e7da3 100644 (file)
--- a/src/libsyntax/attr/builtin.rs
+++ b/src/libsyntax/attr/builtin.rs
@@ -12,8 +12,6 @@
 use rustc_span::{symbol::sym, symbol::Symbol, Span};
 use std::num::NonZeroU32;
 
-use rustc_error_codes::*;
-
 pub fn is_builtin_attr(attr: &Attribute) -> bool {
     attr.is_doc_comment() || attr.ident().filter(|ident| is_builtin_attr_name(ident.name)).is_some()
 }