[md-checkbox] breaks page reload if using pre-rendering

[andrei-ga]

Bug, feature request, or proposal:

Bug

What is the expected behavior?

md-checkbox should work with asp.net core 2.0 pre-rendering

What is the current behavior?

Only on page refresh I get following error:
ApiScanner.Web> fail: Microsoft.AspNetCore.NodeServices[0] ApiScanner.Web> ERROR TypeError: Cannot read property 'trim' of undefined ApiScanner.Web> at Object.eval [as updateRenderer] (ng:///MdCheckboxModule/MdCheckbox.ngfactory.js:66:56) ApiScanner.Web> at Object.updateRenderer (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23671:70) ApiScanner.Web> at checkAndUpdateView (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23190:14) ApiScanner.Web> at callViewAction (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23550:21) ApiScanner.Web> at execComponentViewsAction (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23482:13) ApiScanner.Web> at checkAndUpdateView (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23191:5) ApiScanner.Web> at callViewAction (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23550:21) ApiScanner.Web> at execComponentViewsAction (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23482:13) ApiScanner.Web> at checkAndUpdateView (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23191:5) ApiScanner.Web> at callViewAction (D:\Projects\ApiScanner\ApiScanner.Web\ClientApp\dist\vendor.js:23550:21)

What are the steps to reproduce?

1. Create a new asp.net core 2 project with angular template.
2. Import MdCheckboxModule in app.module.shared.ts
3. Use md-checkbox component on a html
4. After accessing page try reload it

[crisbeto]

Fixed in master by #5470.

[andrei-ga]

Do you have any clue when new version will be released?

[crisbeto]

I'm not sure, but you can install the latest master build from the material2-builds repo which includes the fix.

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