Add a changelog entry.

diff --git a/doc/news/changes/major/20240125Bangerth b/doc/news/changes/major/20240125Bangerth
index d7d5c7ecb580e7bf7e3daca665d36086baf1a842..a7ef885c7d708c883ef5a960e29fb8c932d9048b 100644 (file)
--- a/doc/news/changes/major/20240125Bangerth
+++ b/doc/news/changes/major/20240125Bangerth
@@ -6,4 +6,8 @@ the old way of indicating such a thing (namely, writing
 `Assert(false, ExcNotImplemented());`, the error is raised even in
 release mode.
 <br>
+Similarly, there is now also `DEAL_II_ASSERT_UNREACHABLE()` that is used
+in places that control flow really should not reach, but where it is
+best to abort a program if it does.
+<br>
 (Wolfgang Bangerth, 2024/01/24)