BUG due to some evidently unfinished code

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/git-debrebase b/git-debrebase
index e862d4ee5a88747e7e634e79713885b3a0cf370d..6fb2822c052f59d8d82546cd04892a40064bb651 100755 (executable)
--- a/git-debrebase
+++ b/git-debrebase
@@ -623,6 +623,7 @@ sub walk ($;$$) {
                $prline->(" Import");
                $rewrite_from_here->();
                $upp_limit //= $#upp_cl; # further, deeper, patches discarded
+                die 'BUG $upp_limit is not used anywhere?';
                $cur = $ovwr;
                next;
            } else {