fixup! fix($parse): always pass the intercepted value to watchers

Author: jbedard

src/ng/parse.js

@@ -1962,7 +1962,7 @@ function $ParseProvider() {
       // to ensure the original parsedExpression is always the $$intercepted
       if (parsedExpression.$$interceptor) {
         interceptorFn = chainInterceptors(parsedExpression.$$interceptor, interceptorFn);
-        parsedExpression = parsedExpression.$$intercepted || parsedExpression;
+        parsedExpression = parsedExpression.$$intercepted;
       }
 
       var useInputs = false;

test/ng/parseSpec.js

@@ -3448,6 +3448,22 @@ describe('parser', function() {
             expect(log.empty()).toEqual([]);
           }));
 
+          it('should watch the intercepted value of one-time bindings in nested interceptors', inject(function($parse, log) {
+            scope.$watch($parse($parse('::{x:x, y:y}', function(lit) { return lit.x; }), identity), log);
+
+            scope.$apply();
+            expect(log.empty()).toEqual([undefined]);
+
+            scope.$apply('x = 1');
+            expect(log.empty()).toEqual([1]);
+
+            scope.$apply('x = 2; y=1');
+            expect(log.empty()).toEqual([2]);
+
+            scope.$apply('x = 1; y=2');
+            expect(log.empty()).toEqual([]);
+          }));
+
           it('should nest interceptors around eachother, not around the intercepted', inject(function($parse) {
             function origin() { return 0; }