ko1	2013-07-20 14:39:57 +0900 (Sat, 20 Jul 2013)

  New Revision: 42079

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=42079

  Log:
    * array.c (ary_make_shared): make shared array shady.
      Making non-shady shared array causes SEGV (see rubyci).
      It seems a bug around shared array.

  Modified files:
    trunk/ChangeLog
    trunk/array.c

Index: array.c
===================================================================
--- array.c	(revision 42078)
+++ array.c	(revision 42079)
@@ -612,8 +612,8 @@ ary_make_shared(VALUE ary) https://github.com/ruby/ruby/blob/trunk/array.c#L612
         FL_UNSET_EMBED(shared);
 
         ARY_SET_LEN((VALUE)shared, ARY_CAPA(ary));
-	ARY_SET_PTR((VALUE)shared, RARRAY_RAWPTR(ary));
-	ary_mem_clear((VALUE)shared, RARRAY_LEN(ary), ARY_CAPA(ary) - RARRAY_LEN(ary));
+	ARY_SET_PTR((VALUE)shared, RARRAY_PTR(ary));
+	rb_mem_clear(RARRAY_PTR(shared) + RARRAY_LEN(ary), ARY_CAPA(ary) - RARRAY_LEN(ary));
 	FL_SET_SHARED_ROOT(shared);
 	ARY_SET_SHARED_NUM((VALUE)shared, 1);
 	FL_SET_SHARED(ary);
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 42078)
+++ ChangeLog	(revision 42079)
@@ -1,3 +1,9 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sat Jul 20 14:38:00 2013  Koichi Sasada  <ko1@a...>
+
+	* array.c (ary_make_shared): make shared array shady.
+	  Making non-shady shared array causes SEGV (see rubyci).
+	  It seems a bug around shared array.
+
 Sat Jul 20 12:14:07 2013  Nobuyoshi Nakada  <nobu@r...>
 
 	* string.c (enc_succ_char, enc_pred_char): consider wchar case.

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