ko1	2013-07-19 15:34:18 +0900 (Fri, 19 Jul 2013)

  New Revision: 42064

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=42064

  Log:
    * array.c (rb_ary_store): use RARRAY_PTR_USE() intead of RARRAY_PTR().
      Clearing memory space doesn't need WBs.

  Modified files:
    trunk/ChangeLog
    trunk/array.c

Index: array.c
===================================================================
--- array.c	(revision 42063)
+++ array.c	(revision 42064)
@@ -797,8 +797,10 @@ rb_ary_store(VALUE ary, long idx, VALUE https://github.com/ruby/ruby/blob/trunk/array.c#L797
 	ary_double_capa(ary, idx);
     }
     if (idx > RARRAY_LEN(ary)) {
-	rb_mem_clear(RARRAY_PTR(ary) + RARRAY_LEN(ary),
+	RARRAY_PTR_USE(ary, ptr, {
+	    rb_mem_clear(ptr + RARRAY_LEN(ary),
 		     idx-RARRAY_LEN(ary) + 1);
+	});
     }
 
     if (idx >= RARRAY_LEN(ary)) {
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 42063)
+++ ChangeLog	(revision 42064)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Jul 19 15:32:57 2013  Koichi Sasada  <ko1@a...>
+
+	* array.c (rb_ary_store): use RARRAY_PTR_USE() intead of RARRAY_PTR().
+	  Clearing memory space doesn't need WBs.
+
 Fri Jul 19 15:19:37 2013  Koichi Sasada  <ko1@a...>
 
 	* array.c (ary_ensure_room_for_push): use RARRAY_RAWPTR() instead of

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