From 94c727eccf0d8befe27aca4050cbb880a6e0343b Mon Sep 17 00:00:00 2001
From: Camille GILLOT <gillot.camille@gmail.com>
Date: Sun, 20 Mar 2022 18:26:09 +0100
Subject: [PATCH] Take &mut Diagnostic in emit_diagnostic.

Taking a Diagnostic by move would break the usual pattern
`diag.label(..).emit()`.
---
 src/driver.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/driver.rs b/src/driver.rs
index 8f8f1140a..855a6a6ef 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -178,8 +178,8 @@ fn report_clippy_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) {
     // a .span_bug or .bug call has already printed what
     // it wants to print.
     if !info.payload().is::<rustc_errors::ExplicitBug>() {
-        let d = rustc_errors::Diagnostic::new(rustc_errors::Level::Bug, "unexpected panic");
-        handler.emit_diagnostic(&d);
+        let mut d = rustc_errors::Diagnostic::new(rustc_errors::Level::Bug, "unexpected panic");
+        handler.emit_diagnostic(&mut d);
     }
 
     let version_info = rustc_tools_util::get_version_info!();