From 705f22c29fcc18ab032f7e08eeb29e41405dd1f6 Mon Sep 17 00:00:00 2001
From: Patrick Steele-Idem <pnidem@gmail.com>
Date: Mon, 28 Dec 2015 14:41:36 -0700
Subject: [PATCH] Clone the array before searching for siblings

---
 compiler/ast/ArrayContainer.js                             | 2 +-
 .../render/autotest/for-iterator-as-target/expected.html   | 1 +
 .../render/autotest/for-iterator-as-target/template.marko  | 3 +++
 .../render/autotest/for-iterator-as-target/test.js         | 7 +++++++
 4 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 test/fixtures/render/autotest/for-iterator-as-target/expected.html
 create mode 100644 test/fixtures/render/autotest/for-iterator-as-target/template.marko
 create mode 100644 test/fixtures/render/autotest/for-iterator-as-target/test.js

diff --git a/compiler/ast/ArrayContainer.js b/compiler/ast/ArrayContainer.js
index 26f9d2134..ab20b8781 100644
--- a/compiler/ast/ArrayContainer.js
+++ b/compiler/ast/ArrayContainer.js
@@ -75,7 +75,7 @@ class ArrayContainer extends Container {
         if (node.container !== this) {
             throw new Error('Node does not belong to container: ' + node);
         }
-        var array = this.array;
+        var array = this.array.concat([]);
         var found = false;
 
         for (var i=0; i<array.length; i++) {
diff --git a/test/fixtures/render/autotest/for-iterator-as-target/expected.html b/test/fixtures/render/autotest/for-iterator-as-target/expected.html
new file mode 100644
index 000000000..0bd2fe812
--- /dev/null
+++ b/test/fixtures/render/autotest/for-iterator-as-target/expected.html
@@ -0,0 +1 @@
+543210
\ No newline at end of file
diff --git a/test/fixtures/render/autotest/for-iterator-as-target/template.marko b/test/fixtures/render/autotest/for-iterator-as-target/template.marko
new file mode 100644
index 000000000..238861b1f
--- /dev/null
+++ b/test/fixtures/render/autotest/for-iterator-as-target/template.marko
@@ -0,0 +1,3 @@
+<for(item in data.myIterator)>
+    ${item}
+</for>
\ No newline at end of file
diff --git a/test/fixtures/render/autotest/for-iterator-as-target/test.js b/test/fixtures/render/autotest/for-iterator-as-target/test.js
new file mode 100644
index 000000000..4794c94f7
--- /dev/null
+++ b/test/fixtures/render/autotest/for-iterator-as-target/test.js
@@ -0,0 +1,7 @@
+exports.templateData = {
+    myIterator: function(callback) {
+        for (var i=5; i>=0; i--) {
+            callback(i);
+        }
+    }
+};