md-autocomplete: Crashes if they are dynamically created

[JacobBrandt]

Bug, feature request, or proposal:

Bug

What is the expected behavior?

Should behave normally

What is the current behavior?

A dynamically created autocomplete crashes on focus because the pos object passed to the ConnectedPositionStrategy.prototype._getOriginConnectionPoint is undefined..
ConnectedPositionStrategy.prototype._getOverlayPoint crashes for Firefox.

What are the steps to reproduce?

Dynamically create an autocomplete and try to use it

What is the use-case or motivation for changing an existing behavior?

To make the control useable

Which versions of Angular, Material, OS, browsers are affected?

angular 2.4.7, Material beta2, MacOS X 10.11.6, Chrome 57.0.2987.37, Firefox 51.0.1

[kara]

Can you add a plunker repro?

[kara]

Closing, as we can't reproduce. Please re-open with a plunker if you are still seeing issues.

[JacobBrandt]

@kara This seems to happen most often when I have the developer tools open. It also seems to only happen when the dropdown should be rendered below. See this GIF for what I mean.

[kara]

In that case, looks like a dupe of #3176. Should be fixed in master.

[JacobBrandt]

OK, thank you.

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