From 7f79ceb438321810a8199fb099067cd648c638da Mon Sep 17 00:00:00 2001
From: Matthew Esposito <matt@matthew.science>
Date: Fri, 9 Jun 2023 10:47:41 -0400
Subject: [PATCH] Compile rustc_driver by default

---
 src/bootstrap/doc.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs
index d6210ed59c4d1..fef7e4db9ab85 100644
--- a/src/bootstrap/doc.rs
+++ b/src/bootstrap/doc.rs
@@ -667,7 +667,7 @@ impl Step for Rustc {
     /// Compiler documentation is distributed separately, so we make sure
     /// we do not merge it with the other documentation from std, test and
     /// proc_macros. This is largely just a wrapper around `cargo doc`.
-    fn run(self, builder: &Builder<'_>) {
+    fn run(mut self, builder: &Builder<'_>) {
         let stage = self.stage;
         let target = self.target;
 
@@ -725,6 +725,11 @@ impl Step for Rustc {
         cargo.rustdocflag("ena=https://docs.rs/ena/latest/");
 
         let mut to_open = None;
+
+        if self.crates.is_empty() {
+            self.crates = INTERNER.intern_list(vec!["rustc_driver".to_owned()]);
+        };
+
         for krate in &*self.crates {
             // Create all crate output directories first to make sure rustdoc uses
             // relative links.