* alloc.c (compact_small_strings): Tighten assertion a little.

2 files changed, 3 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 9aff9fbbc53..4af83e1d973 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2011-04-19  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * alloc.c (compact_small_strings): Tighten assertion a little.
+
         Replace pEd with more-general pI, and fix some printf arg casts.
         * lisp.h (pI): New macro, generalizing old pEd macro to other
         conversion specifiers.  For example, use "...%"pI"d..." rather
diff --git a/src/alloc.c b/src/alloc.c
index 423c1f167db..82be8a903b4 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -2140,7 +2140,7 @@ compact_small_strings (void)
               /* Copy, and update the string's `data' pointer.  */
               if (from != to)
                 {
-                  xassert (tb != b || to <= from);
+                  xassert (tb != b || to < from);
                   memmove (to, from, nbytes + GC_STRING_EXTRA);
                   to->string->data = SDATA_DATA (to);
                 }