From 210e89198d72108fbba6de3fa539a8a92c1e7213 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Tue, 8 Sep 2020 13:44:41 +0200
Subject: [PATCH] Add option to pass a custom codegen backend from a driver

---
 src/driver.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/driver.rs b/src/driver.rs
index 47315fa64cd80..f4f2259cefd51 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -357,7 +357,7 @@ pub fn main() {
                 args.extend(vec!["--sysroot".into(), sys_root]);
             };
 
-            return rustc_driver::run_compiler(&args, &mut DefaultCallbacks, None, None);
+            return rustc_driver::run_compiler(&args, &mut DefaultCallbacks, None, None, None);
         }
 
         if orig_args.iter().any(|a| a == "--version" || a == "-V") {
@@ -420,6 +420,6 @@ pub fn main() {
         let mut default = DefaultCallbacks;
         let callbacks: &mut (dyn rustc_driver::Callbacks + Send) =
             if clippy_enabled { &mut clippy } else { &mut default };
-        rustc_driver::run_compiler(&args, callbacks, None, None)
+        rustc_driver::run_compiler(&args, callbacks, None, None, None)
     }))
 }