Add comment to remind devs to update the unstable book related chapte…

…r if the check-cfg list is updated
rust-lang · Feb 15, 2024 · 533e3f0 · 533e3f0
1 parent 4085421
commit 533e3f0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
@@ -1435,6 +1435,9 @@ impl CheckCfg {
         //
         // When adding a new config here you should also update
         // `tests/ui/check-cfg/well-known-values.rs`.
+        //
+        // Don't forget to update `src/doc/unstable-book/src/compiler-flags/check-cfg.md`
+        // in the unstable book as well!
 
         ins!(sym::debug_assertions, no_values);