clippy::perf fixes

2022-07-20 11:48:11 +02:00
parent 03d488b48a
commit 611bbcb044
10 changed files with 17 additions and 21 deletions
--- a/compiler/rustc_error_messages/src/lib.rs
+++ b/compiler/rustc_error_messages/src/lib.rs
@@ -299,7 +299,7 @@ impl DiagnosticMessage {
    /// - If `self` is non-translatable then return `self`'s message.
    pub fn with_subdiagnostic_message(&self, sub: SubdiagnosticMessage) -> Self {
        let attr = match sub {
-            SubdiagnosticMessage::Str(s) => return DiagnosticMessage::Str(s.clone()),
+            SubdiagnosticMessage::Str(s) => return DiagnosticMessage::Str(s),
            SubdiagnosticMessage::FluentIdentifier(id) => {
                return DiagnosticMessage::FluentIdentifier(id, None);
            }