[NFC] Tweak a comment about the lock-free builtins

diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 448a683..760e562 100644 (file)
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -11519,8 +11519,8 @@ bool IntExprEvaluator::VisitBuiltinCallExpr(const CallExpr *E,
       return false;
 
     // For __atomic_is_lock_free(sizeof(_Atomic(T))), if the size is a power
-    // of two less than the maximum inline atomic width, we know it is
-    // lock-free.  If the size isn't a power of two, or greater than the
+    // of two less than or equal to the maximum inline atomic width, we know it
+    // is lock-free.  If the size isn't a power of two, or greater than the
     // maximum alignment where we promote atomics, we know it is not lock-free
     // (at least not in the sense of atomic_is_lock_free).  Otherwise,
     // the answer can only be determined at runtime; for example, 16-byte