From 721f2e789ae821e85f30ac6bfad8da31b6f1c692 Mon Sep 17 00:00:00 2001
From: Mark Simulacrum <mark.simulacrum@gmail.com>
Date: Fri, 8 Jun 2018 08:29:15 -0600
Subject: [PATCH] Do not require stage 2 compiler for rustdoc

---
 src/bootstrap/builder.rs | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 9300b94156acb..be9c926bedf22 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -800,10 +800,7 @@ impl<'a> Builder<'a> {
             cargo.env("RUSTC_ERROR_FORMAT", error_format);
         }
         if cmd != "build" && cmd != "check" && want_rustdoc {
-            cargo.env(
-                "RUSTDOC_LIBDIR",
-                self.rustc_libdir(self.compiler(2, self.config.build)),
-            );
+            cargo.env("RUSTDOC_LIBDIR", self.sysroot_libdir(compiler, self.config.build));
         }
 
         if mode.is_tool() {