* alloc.c (check_string_bytes): If GC_CHECK_STRING_BYTES

is enabled, avoid dereferencing NULL current_sblock if
running undumped.

2 files changed, 7 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 6eb1a07faf2..d0dfa1375f6 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,11 @@
 2012-07-03  Dmitry Antipov  <dmantipov@yandex.ru>
 
+        * alloc.c (check_string_bytes): If GC_CHECK_STRING_BYTES
+        is enabled, avoid dereferencing NULL current_sblock if
+        running undumped.
+
+2012-07-03  Dmitry Antipov  <dmantipov@yandex.ru>
+
         Cleanup basic buffer management.
         * buffer.h (struct buffer): Change layout to use generic vector
         marking code.  Fix some comments.  Change type of 'clip_changed'
diff --git a/src/alloc.c b/src/alloc.c
index b329f89d15b..3306bc4107b 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1872,7 +1872,7 @@ check_string_bytes (int all_p)
       for (b = oldest_sblock; b; b = b->next)
         check_sblock (b);
     }
-  else
+  else if (current_sblock)
     check_sblock (current_sblock);
 }