Input with ng-model as default transclude keeps validators alive #14765
Description
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What is the current behavior?
When using multi slot transclusion, if an input element with ng-model is being used as the default\fallback, when replace with trascluded content, validators from the default input are still present and are preventing the form from being valid.
If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via https://plnkr.co or similar (template: http://plnkr.co/edit/tpl:yBpEi4).
I think it is explained well above.
What is the expected behavior?
The validators should be destroyed in the $destroy function of the NgModelController
What is the motivation / use case for changing the behavior?
Explained aboe
Which versions of Angular, and which browser / OS are affected by this issue? Did this work in previous versions of Angular? Please also test with the latest stable and snapshot (https://code.angularjs.org/snapshot/) versions.
angular 1.5.6
chrome 51.0.2704.84
Mac osx El Capitan
I just started using the multi slot transclusion and since it is new, i don't believe this ever worked before.
Other information (e.g. stacktraces, related issues, suggestions how to fix)
for now i used ng-if on the default input as a workaround and checked for transcluded slot existance.