From 1385eb9b5562ec78f772341e1ad5c3d2f5443141 Mon Sep 17 00:00:00 2001
From: Darshan Kathiriya <darshankathiriya121@gmail.com>
Date: Wed, 7 Oct 2020 09:09:59 -0300
Subject: [PATCH] Replace run_compiler with RunCompiler builder pattern.
 RunCompiler::new takes non-optional params, and optional params can be set
 using set_*field_name* method. finally `run` will forward all fields to
 `run_compiler`.

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

diff --git a/src/driver.rs b/src/driver.rs
index f4f2259cefd51..377f6d2244635 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, None);
+            return rustc_driver::RunCompiler::new(&args, &mut DefaultCallbacks).run();
         }
 
         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, None)
+        rustc_driver::RunCompiler::new(&args, callbacks).run()
     }))
 }