t4200: demonstrate rerere segfault on specially crafted merge

diff --git a/t/t4201-shortlog.sh b/t/t4201-shortlog.sh
index 9df054bf05b8cd40011c0577aa0ce0f30cb8c23f..da10478f59da1a301edf7def229d37fbc964dce9 100755 (executable)
--- a/t/t4201-shortlog.sh
+++ b/t/t4201-shortlog.sh
@@ -9,6 +9,7 @@ test_description='git shortlog
 . ./test-lib.sh
 
 test_expect_success 'setup' '
+       test_tick &&
        echo 1 >a1 &&
        git add a1 &&
        tree=$(git write-tree) &&
@@ -59,7 +60,7 @@ fuzz() {
        file=$1 &&
        sed "
                        s/$_x40/OBJECT_NAME/g
-                       s/$_x05/OBJID/g
+                       s/$_x35/OBJID/g
                        s/^ \{6\}[CTa].*/      SUBJECT/g
                        s/^ \{8\}[^ ].*/        CONTINUATION/g
                " <"$file" >"$file.fuzzy" &&
@@ -81,7 +82,7 @@ test_expect_success 'pretty format' '
 
 test_expect_success '--abbrev' '
        sed s/SUBJECT/OBJID/ expect.template >expect &&
-       git shortlog --format="%h" --abbrev=5 HEAD >log &&
+       git shortlog --format="%h" --abbrev=35 HEAD >log &&
        fuzz log >log.predictable &&
        test_cmp expect log.predictable
 '