avoid some &str to String conversions

2022-07-10 03:18:56 +09:00
parent fac8fa5672
commit bda83e6543
13 changed files with 23 additions and 34 deletions
--- a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs
+++ b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs
@@ -406,7 +406,7 @@ fn report_conflicting_impls(
        let mut err = err.build(&msg);
        match tcx.span_of_impl(overlap.with_impl) {
            Ok(span) => {
-                err.span_label(span, "first implementation here".to_string());
+                err.span_label(span, "first implementation here");

                err.span_label(
                    impl_span,