Rollup merge of rust-lang#80750 - GuillaumeGomez:cleanup-to_string, r…

…=lzutao Don't use to_string on Symbol in rustc_passes/check_attr.rs Improve code from rust-lang#80686. r? `@lzutao`
Dylan-DPC-zz · Jan 7, 2021 · 9558447 · 9558447
2 parents cc1238f + 7bc22e9
commit 9558447
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs
@@ -359,7 +359,7 @@ impl CheckAttrVisitor<'tcx> {
             return false;
         }
         let item_name = self.tcx.hir().name(hir_id);
-        if item_name.to_string() == doc_alias {
+        if &*item_name.as_str() == doc_alias {
             self.tcx
                 .sess
                 .struct_span_err(