From: Kenichi Handa <handa@m17n.org>
Date: Sun, 11 Dec 2011 12:08:51 +0000 (+0900)
Subject: coding.c (Funencodable_char_position): Pay attention to the buffer text relocation... 
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coding.c (Funencodable_char_position): Pay attention to the buffer text relocation (Bug#9389).
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 926871cb969..02261bb10cd 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2011-12-11  Kenichi Handa  <handa@m17n.org>
+
+	* coding.c (Funencodable_char_position): Pay attention to the
+	buffer text relocation (Bug#9389).
+
 2011-12-10  Jan Djärv  <jan.h.d@swipnet.se>
 
 	* xterm.c (x_term_init): Move call to gdk_window_add_filter before
diff --git a/src/coding.c b/src/coding.c
index 50268099413..e15d725af3a 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -8756,6 +8756,7 @@ to the string.  */)
     }
 
   positions = Qnil;
+  charset_map_loaded = 0;
   while (1)
     {
       int c;
@@ -8783,6 +8784,16 @@ to the string.  */)
 	}
 
       from++;
+      if (charset_map_loaded && NILP (string))
+	{
+	  p = CHAR_POS_ADDR (from);
+	  pend = CHAR_POS_ADDR (to);
+	  if (from < GPT && to >= GPT)
+	    stop = GPT_ADDR;
+	  else
+	    stop = pend;
+	  charset_map_loaded = 0;
+	}
     }
 
   return (NILP (count) ? Fcar (positions) : Fnreverse (positions));