comments

rust-lang · Jun 10, 2019 · 0edf46f · 0edf46f
1 parent b823cc1
commit 0edf46f
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/librustc_mir/transform/qualify_consts.rs b/src/librustc_mir/transform/qualify_consts.rs
@@ -307,9 +307,9 @@ trait Qualif {
 
 /// Constant containing interior mutability (`UnsafeCell<T>`).
 /// This must be ruled out to make sure that evaluating the constant at compile-time
-/// and run-time would produce the same result. In particular, promotion of temporaries
-/// must not change program behavior; if the promoted could be written to, that would
-/// be a problem.
+/// and at *any point* during the run-time would produce the same result. In particular,
+/// promotion of temporaries must not change program behavior; if the promoted could be
+/// written to, that would be a problem.
 struct HasMutInterior;
 
 impl Qualif for HasMutInterior {