From 9363f0fda5a699b48ea87ad7007dcb811e04a60d Mon Sep 17 00:00:00 2001
From: Ellis Hoag <ellis.sparky.hoag@gmail.com>
Date: Fri, 26 Aug 2022 19:32:04 -0700
Subject: Add RanlibFailure

---
 compiler/rustc_errors/src/diagnostic.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'compiler/rustc_errors/src')

diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs
index 1c440a0a07e..f6af0f879ca 100644
--- a/compiler/rustc_errors/src/diagnostic.rs
+++ b/compiler/rustc_errors/src/diagnostic.rs
@@ -114,6 +114,15 @@ impl IntoDiagnosticArg for char {
     }
 }
 
+impl<T: IntoDiagnosticArg> IntoDiagnosticArg for Option<T> {
+    fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
+        match self {
+            Some(t) => t.into_diagnostic_arg(),
+            None => DiagnosticArgValue::Str(Cow::Borrowed("None")),
+        }
+    }
+}
+
 impl IntoDiagnosticArg for Symbol {
     fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
         self.to_ident_string().into_diagnostic_arg()
-- 
cgit 1.4.1-3-g733a5