ng-attr-xxx can't be used with ng-attr-data-xxx

[ayaka209]

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What is the current behavior?
when I set ng-attr-xxx and ng-attr-data-xxx, it only runs the last directive.

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).

http://plnkr.co/edit/VdGOo2S5iMdruaB2BHvF?p=preview

please see the compiled code of the preview window. only one of data-xxx or xxx attribute shown in the DOM.

What is the expected behavior?

both data-xxx and xxx attribute should be in the DOM.

1.5.7 & 1.5.8 with Chrome 53.0

Thank you .

[gkalpak]

Seems like an actual bug. For all directives we strip the data-/x- prefix (as explained in the docs) and we do the same for ngAttr* attributes even after we strip the ng-attr- prefix (which seems unnecessary).