The initial value of "clip-path" is set to invalid value "auto", causing the tab to crash if used

If you use “clip-path: unset” in you css the hole site stops working. It shows a error page which says that there was an problem when loading the site.
It is one thing if the property is not supported but breaking the hole site is a no go.

I just add a minimal testfile which triggers the error.
Edge Reliability Impact

---

Snapshot: 6/13/2017
Build: desktop rs_prerelease.16215.1000
CPM (Content): 5.245690665 CPM. Rank #65.

Please see other feedbacks in userfeedback VSO for feedbacks that are tracked by this work item.

h3 {
color:#2f5496;
font-family:Segoe UI;
font-size:small;
padding-left:3%;
}

table {
font-size:small;
width:95%;
}

th, td {
font-size:small;
padding:5px;
}

td {
border:0.5px solid white;
}

th {
background-color:#8B8989;
color:white;
}

.feedback-leftcell {
width:20%;
color:#004d8b;
}

.feedback-row:hover {
background-color:#C4C4C4;
}

#feedback-banner, #feedback-footer {
background-color:#0078D7;
color:white;
width:100%;
}

#feedback-banner td, #feedback-footer td {
border:0;
font-size:larger;
padding:10px;
}

#feedbacksection-v5 {
font-family:Segoe UI;
border:5px solid #0078D7;
border-collapse:collapse;
}

#feedbackdetails-table, #feedbackanalysis-table, #feedbacklinks-table {
font-family:Calibri Light;
background-color:#f5f5f5;
}

            
        

        This Bug was created from feedback triage by Zack Stephens

    



Report Details



    
        Feedback Details

        Description

    

    
        Title

        Content process hang on navigate to https://internet.xfinity.com/


    

    
        Description

        1. Login and navigate to https://customer.xfinity.com/#/settings/internet

2. Click the link next to “XFINITY xFi”

Expected: The site correctly navigates to https://internet.xfinity.com/
Actual: The site hangs and eventually the CP crashes

This does not repro in IE.

        Area Path

        UIF\Microsoft Edge\Website issues

    

    
        [Feedback Hub](https://aka.ms/feedbackhuburi/?ContextId=356&feedbackId=17ad0eef-9a50-45e7-a9b7-8e3770b2dd28&form=1&src=1)

        View this Customer Feedback details and comments in the Feedback Hub app.

    

    
        [Feedback VSO](../6280860/)

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            Metadata

            {"Metadata":[{"url":"https://internet.xfinity.com/"},{"ua":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063"},{"browserType":"Microsoft Edge"}]}


          



Analysis and Diagnostics


    
        Tool

        Description

    

    
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        [Related Watson Crashes](http://watson/User?Identifier=g:6825766933969115&Expand=true&StartDate=4-Jul-2017&EndDate=4-Jul-2017&DateTimeFormat=UTC&EventCategory=All)

        
            
                
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        [Device Drill](http://devicedrill/EventBrowser?dataSet=ALL&deviceId=g:6825766933969115&focusTimeStamp=2017-07-04T01:08:43&durationAfterMin=10)

        
            
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Other Links


    
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        Description

    

    
        [Feedback FAQ](http://aka.ms/FeedbackFaq)

        
            
                See the Feedback FAQ for more information about subjective user feedback.
            

        

    

    
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