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authorThe rustc-dev-guide Cronjob Bot <github-actions@github.com>2025-06-09 04:09:17 +0000
committerThe rustc-dev-guide Cronjob Bot <github-actions@github.com>2025-06-09 04:09:17 +0000
commit7565e75591c2ef184bc7a359b3a436a62d45358a (patch)
tree84784da83b710a97f9944b753c9d7717e37b631b /src/doc/rustc-dev-guide
parentf598bbd66b8e0cf5ac1adf0ff6147baa7601a731 (diff)
parentc31cccb7b5cc098b1a8c1794ed38d7fdbec0ccb0 (diff)
downloadrust-7565e75591c2ef184bc7a359b3a436a62d45358a.tar.gz
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Merge from rustc
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diff --git a/src/doc/rustc-dev-guide/src/building/suggested.md b/src/doc/rustc-dev-guide/src/building/suggested.md
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--- a/src/doc/rustc-dev-guide/src/building/suggested.md
+++ b/src/doc/rustc-dev-guide/src/building/suggested.md
@@ -59,6 +59,14 @@ always overrides the inner ones.
 
 ## Configuring `rust-analyzer` for `rustc`
 
+### Checking the "library" tree
+
+Checking the "library" tree requires a stage1 compiler, which can be a heavy process on some computers.
+For this reason, bootstrap has a flag called `--skip-std-check-if-no-download-rustc` that skips checking the
+"library" tree if `rust.download-rustc` isn't available. If you want to avoid putting a heavy load on your computer
+with `rust-analyzer`, you can add the `--skip-std-check-if-no-download-rustc` flag to your `./x check` command in
+the `rust-analyzer` configuration.
+
 ### Project-local rust-analyzer setup
 
 `rust-analyzer` can help you check and format your code whenever you save a