Re: git ssh signing changed broke tag merge message contents

--- 8< ---

diff --git a/fmt-merge-msg.c b/fmt-merge-msg.c
index e5c0aff2bf..baca57d5b6 100644
--- a/fmt-merge-msg.c
+++ b/fmt-merge-msg.c

@@ -541,7 +541,6 @@ static void fmt_merge_msg_sigs(struct strbuf *out)
 			else
 				strbuf_addstr(&sig, sigc.output);
 		}
-		signature_check_clear(&sigc);

 		if (!tag_number++) {
 			fmt_tag_signature(&tagbuf, &sig, buf, len);

@@ -565,6 +564,7 @@ static void fmt_merge_msg_sigs(struct strbuf *out)
 		}
 		strbuf_release(&payload);
 		strbuf_release(&sig);
+		signature_check_clear(&sigc);
 	next:
 		free(origbuf);
 	}

--- >8 ---

Our coverage in t6200 (which should have ordinarily caught such a bug)
is lacking and does not search for the tag message in fmt-merge-msg's
output.