merge revision(s) 34633: [Backport #5124]

	* insns.def (splatarray): make new array if flag is set.

	* compile.c (iseq_compile_each): make new array with
	  splat. [ruby-core:21901][Feature #1125]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@36228 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/insns.def b/insns.def
index 8f25fdcd07..49faec5d09 100644
--- a/insns.def
+++ b/insns.def
@@ -533,6 +533,9 @@ splatarray
     if (NIL_P(tmp)) {
 	tmp = rb_ary_new3(1, ary);
     }
+    else if (RTEST(flag)) {
+	tmp = rb_ary_dup(tmp);
+    }
     obj = tmp;
 }