From a7f65cdd0b8d2cd0eae4878008b02e94c3b05722 Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Tue, 17 Dec 2024 08:57:30 -0800
Subject: [PATCH] Add suggestion for `--keep-stage 0`

---
 src/building/suggested.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/building/suggested.md b/src/building/suggested.md
index c23965b98..cb97fd762 100644
--- a/src/building/suggested.md
+++ b/src/building/suggested.md
@@ -254,6 +254,12 @@ You can also use `--keep-stage 1` when running tests. Something like this:
 - Initial test run: `./x test tests/ui`
 - Subsequent test run: `./x test tests/ui --keep-stage 1`
 
+### Iterating the standard library with `--keep-stage`
+
+If you are making changes to the standard library, you can use `./x build
+--keep-stage 0 library` to iteratively rebuild the standard library without
+rebuilding the compiler.
+
 ## Using incremental compilation
 
 You can further enable the `--incremental` flag to save additional time in