* compile.c (iseq_compile_each): just freeze xstr.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22271 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/compile.c b/compile.c
index 4244a56f20..24a63e1d68 100644
--- a/compile.c
+++ b/compile.c
@@ -4371,7 +4371,7 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 	break;
       }
       case NODE_XSTR:{
-	hide_obj(node->nd_lit);
+	OBJ_FREEZE(node->nd_lit);
 	ADD_CALL_RECEIVER(ret, nd_line(node));
 	ADD_INSN1(ret, nd_line(node), putobject, node->nd_lit);
 	ADD_CALL(ret, nd_line(node), ID2SYM(idBackquote), INT2FIX(1));