From 141544a903d4eb049d0611cbe6c7d248d3f5d425 Mon Sep 17 00:00:00 2001
From: Kazantcev Andrey <45011689+heckad@users.noreply.github.com>
Date: Thu, 8 Oct 2020 00:29:20 +0300
Subject: [PATCH] Remove unnecessary lamda on emitter map.

---
 compiler/rustc_driver/src/lib.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs
index 3f50c68e3ebf5..e89fcc920a093 100644
--- a/compiler/rustc_driver/src/lib.rs
+++ b/compiler/rustc_driver/src/lib.rs
@@ -155,8 +155,7 @@ pub fn run_compiler(
             ),
         }
     }
-    let diagnostic_output =
-        emitter.map(|emitter| DiagnosticOutput::Raw(emitter)).unwrap_or(DiagnosticOutput::Default);
+    let diagnostic_output = emitter.map(DiagnosticOutput::Raw).unwrap_or(DiagnosticOutput::Default);
     let matches = match handle_options(&args) {
         Some(matches) => matches,
         None => return Ok(()),