cc dependencies: clarify comment

2025-07-29 09:22:24 +02:00
parent cb6785f73d
commit e532080507
2 changed files with 4 additions and 4 deletions
--- a/compiler/rustc_llvm/Cargo.toml
+++ b/compiler/rustc_llvm/Cargo.toml
@@ -10,8 +10,8 @@ libc = "0.2.73"

 [build-dependencies]
 # tidy-alphabetical-start
-# Pinned so `cargo update` bumps don't cause breakage. Please also update the
-# pinned `cc` in `rustc_codegen_ssa` if you update `cc` here.
+# `cc` updates often break things, so we pin it here. Cargo enforces "max 1 semver-compat version
+# per crate", so if you change this, you need to also change it in `rustc_codegen_ssa`.
 cc = "=1.2.16"
 # tidy-alphabetical-end