From 4b79fb1a2f3e0475770568464b15ab64c9ea4aff Mon Sep 17 00:00:00 2001
From: Lucas Mirelmann <lgalfaso@gmail.com>
Date: Thu, 28 Jan 2016 15:25:45 +0100
Subject: [PATCH] fix($parse): Copy `inputs` for expressions with expensive
 checks

---
 src/ng/parse.js      | 1 +
 test/ng/parseSpec.js | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/src/ng/parse.js b/src/ng/parse.js
index 7905c206a985..b68ed7d8c458 100644
--- a/src/ng/parse.js
+++ b/src/ng/parse.js
@@ -1819,6 +1819,7 @@ function $ParseProvider() {
       for (var i = 0; fn.inputs && i < fn.inputs.length; ++i) {
         fn.inputs[i] = expensiveChecksInterceptor(fn.inputs[i]);
       }
+      expensiveCheckFn.inputs = fn.inputs;
 
       return expensiveCheckFn;
 
diff --git a/test/ng/parseSpec.js b/test/ng/parseSpec.js
index 355c922436c4..a8ac9f4a07ba 100644
--- a/test/ng/parseSpec.js
+++ b/test/ng/parseSpec.js
@@ -2457,6 +2457,13 @@ describe('parser', function() {
                 expect($parse.$$runningExpensiveChecks()).toEqual(false);
               });
             });
+
+            it('should handle `inputs` when running with expensive checks', inject(function($parse) {
+              expect(function() {
+                scope.$watch($parse('a + b', null, true), noop);
+                scope.$digest();
+              }).not.toThrow();
+            }));
           });
         });