* intervals.c (graft_intervals_into_buffer): Mark var as used.

2 files changed, 5 insertions, 2 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 0716233d612..b72f17ab7b9 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2011-04-04  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * intervals.c (graft_intervals_into_buffer): Mark var as used.
+
         * process.c (list_processes_1, create_pty, read_process_output):
         (exec_sentinel): Remove vars that were set but not used.
         (create_pty): Remove unnecessary "volatile"s.
diff --git a/src/intervals.c b/src/intervals.c
index 351677ad27e..92c84554510 100644
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -1677,7 +1677,7 @@ graft_intervals_into_buffer (INTERVAL source, EMACS_INT position,
                              EMACS_INT length, struct buffer *buffer,
                              int inherit)
 {
-  register INTERVAL under, over, this, prev;
+  register INTERVAL under, over, this;
   register INTERVAL tree;
   EMACS_INT over_used;
 
@@ -1767,7 +1767,8 @@ graft_intervals_into_buffer (INTERVAL source, EMACS_INT position,
       /* This call may have some effect because previous_interval may
          update `position' fields of intervals.  Thus, don't ignore it
          for the moment.  Someone please tell me the truth (K.Handa).  */
-      prev = previous_interval (under);
+      INTERVAL prev = previous_interval (under);
+      (void) prev;
 #if 0
       /* But, this code surely has no effect.  And, anyway,
          END_NONSTICKY_P is unreliable now.  */