t7501: add test of "commit --dry-run --short"

diff --git a/compat/regex/regexec.c b/compat/regex/regexec.c
index 0a745d9c3b375fbfdefa3afcd021b952cef0e685..1b5d89fd5ed1a2c143bc6dafdf027b1f5f2cf790 100644 (file)
--- a/compat/regex/regexec.c
+++ b/compat/regex/regexec.c
@@ -14,9 +14,8 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301 USA.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 static reg_errcode_t match_ctx_init (re_match_context_t *cache, int eflags,
                                     int n) internal_function;
@@ -4284,7 +4283,7 @@ search_cur_bkref_entry (const re_match_context_t *mctx, int str_idx)
   last = right = mctx->nbkref_ents;
   for (left = 0; left < right;)
     {
-      mid = (left + right) / 2;
+      mid = left + (right - left) / 2;
       if (mctx->bkref_ents[mid].str_idx < str_idx)
        left = mid + 1;
       else