std: broaden the allowed behaviour for recursive TLS initialization

joboet · joboet · commit 559ec69e4106 · 2023-09-26T12:54:01.000+02:00
diff --git a/library/std/src/thread/local.rs b/library/std/src/thread/local.rs
@@ -29,9 +29,9 @@ use crate::fmt;
 /// within a thread, and values that implement [`Drop`] get destructed when a
 /// thread exits. Some caveats apply, which are explained below.
 ///
-/// A `LocalKey`'s initializer cannot recursively depend on itself, and using
-/// a `LocalKey` in this way will cause the initializer to infinitely recurse
-/// on the first call to `with`.
+/// A `LocalKey`'s initializer cannot recursively depend on itself. Using a
+/// `LocalKey` in this way may cause panics, aborts or infinite recursion on
+/// the first call to `with`.
 ///
 /// # Examples
 ///
