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-rw-r--r--src/bootstrap/src/core/build_steps/dist.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs
index 54136d2aebd..4fb64595504 100644
--- a/src/bootstrap/src/core/build_steps/dist.rs
+++ b/src/bootstrap/src/core/build_steps/dist.rs
@@ -665,6 +665,10 @@ impl Step for Std {
     }
 }
 
+/// Tarball containing the compiler that gets downloaded and used by
+/// `rust.download-rustc`.
+///
+/// (Don't confuse this with [`RustDev`], without the `c`!)
 #[derive(Debug, PartialOrd, Ord, Clone, Hash, PartialEq, Eq)]
 pub struct RustcDev {
     pub compiler: Compiler,
@@ -2225,6 +2229,11 @@ impl Step for LlvmBitcodeLinker {
 /// Tarball intended for internal consumption to ease rustc/std development.
 ///
 /// Should not be considered stable by end users.
+///
+/// In practice, this is the tarball that gets downloaded and used by
+/// `llvm.download-ci-llvm`.
+///
+/// (Don't confuse this with [`RustcDev`], with a `c`!)
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct RustDev {
     pub target: TargetSelection,