diff --git a/eval_intern.h b/eval_intern.h
index c496d1389f..420f3d3b36 100644
--- a/eval_intern.h
+++ b/eval_intern.h
@@ -147,7 +147,7 @@ LONG WINAPI rb_w32_stack_overflow_handler(struct _EXCEPTION_POINTERS *);
 #if defined __GNUC__ && __GNUC__ == 4 && (__GNUC_MINOR__ >= 6 && __GNUC_MINOR__ <= 8) || __clang__
 /* This macro prevents GCC 4.6--4.8 from emitting maybe-uninitialized warnings.
  * This macro also prevents Clang from dumping core in EC_EXEC_TAG().
- * (I confirmed Clang 4.0.1 and 4.0.0.)
+ * (I confirmed Clang 4.0.1 and 5.0.0.)
  */
 # define VAR_FROM_MEMORY(var) __extension__(*(__typeof__(var) volatile *)&(var))
 # define VAR_INITIALIZED(var) ((var) = VAR_FROM_MEMORY(var))