akr	2007-11-20 16:25:07 +0900 (Tue, 20 Nov 2007)

  New Revision: 13982

  Modified files:
    trunk/ChangeLog
    trunk/gc.c

  Log:
    * gc.c (gc_mark_children): obj->as.file.fptr may be 0 for T_FILE.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=13982&r2=13981
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/gc.c?r1=13982&r2=13981

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 13981)
+++ ChangeLog	(revision 13982)
@@ -1,3 +1,7 @@
+Tue Nov 20 16:24:31 2007  Tanaka Akira  <akr@f...>
+
+	* gc.c (gc_mark_children): obj->as.file.fptr may be 0 for T_FILE.
+
 Tue Nov 20 15:09:00 2007  Nobuyoshi Nakada  <nobu@r...>
 
 	* parse.y (parser_read_escape): has8bit flag may be set with control
Index: gc.c
===================================================================
--- gc.c	(revision 13981)
+++ gc.c	(revision 13982)
@@ -1081,7 +1081,8 @@
 	break;
 
       case T_FILE:
-	gc_mark(obj->as.file.fptr->tied_io_for_writing, lev);
+        if (obj->as.file.fptr)
+            gc_mark(obj->as.file.fptr->tied_io_for_writing, lev);
         break;
 
       case T_REGEXP:

--
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