hide iseq operand object for duphash. [Bug #15440]

* compile.c (compile_array): hide source Hash object.

* hash.c (rb_hash_resurrect): introduced to dup Hash object
  using rb_cHash.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66466 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/insns.def b/insns.def
index 73628a3376..983a20fa3f 100644
--- a/insns.def
+++ b/insns.def
@@ -461,7 +461,7 @@ duphash
 ()
 (VALUE val)
 {
-    val = rb_hash_dup(hash);
+    val = rb_hash_resurrect(hash);
 }
 
 /* if TOS is an array expand, expand it to num objects.