Fixed insertion of numbers and booleans in the weakmap in 0.8-preview

[cedric-marcone]

I stumbled on this bug while trying to render numbers or booleans in 0.8-preview.

It works perfectly when the property is an array of objects or strings.

The error is : "Uncaught TypeError: Invalid value used as weak map key" and can be tracked down to lib/collection.html a line 49.

To reproduce :

<dom-module id="x-component">
  <template>
    <template is="x-repeat" items="{{values}}">
      <span>{{item}}</span>
    </template>
  </template>
</dom-module>
<script>
Polymer({
  is: 'x-component',
  ready: function() {
    this.values = [ 1, 2, 3 ];
  }
});
</script>

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[cedric-marcone]

CLA signed

[googlebot]

CLAs look good, thanks!

[kevinpschaaf]

Thanks!