glass	2013-07-22 18:03:44 +0900 (Mon, 22 Jul 2013)

  New Revision: 42112

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=42112

  Log:
    * string.c (rb_str_enumerate_chars): specify array capa.

  Modified files:
    trunk/ChangeLog
    trunk/string.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 42111)
+++ ChangeLog	(revision 42112)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Jul 22 18:01:33 2013  Masaki Matsushita  <glass.saga@g...>
+
+	* string.c (rb_str_enumerate_chars): specify array capa.
+
 Mon Jul 22 17:24:14 2013  Masaki Matsushita  <glass.saga@g...>
 
 	* string.c (rb_str_each_char_size): performance improvement by
Index: string.c
===================================================================
--- string.c	(revision 42111)
+++ string.c	(revision 42112)
@@ -6518,7 +6518,7 @@ rb_str_enumerate_chars(VALUE str, int wa https://github.com/ruby/ruby/blob/trunk/string.c#L6518
 	if (wantarray) {
 #if STRING_ENUMERATORS_WANTARRAY
 	    rb_warn("given block not used");
-	    ary = rb_ary_new();
+	    ary = rb_ary_new_capa(rb_str_strlen(str));
 #else
 	    rb_warning("passing a block to String#chars is deprecated");
 	    wantarray = 0;
@@ -6527,7 +6527,7 @@ rb_str_enumerate_chars(VALUE str, int wa https://github.com/ruby/ruby/blob/trunk/string.c#L6527
     }
     else {
 	if (wantarray)
-	    ary = rb_ary_new();
+	    ary = rb_ary_new_capa(rb_str_strlen(str));
 	else
 	    RETURN_SIZED_ENUMERATOR(str, 0, 0, rb_str_each_char_size);
     }

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