VS Code shows lint errors for getters and setters: "Accessors are only available when targeting ECMAScript 5 and higher" for new RC.0 projects #5059

Please provide us with the following information:

OS?

Windows 7, 8 or 10. Linux (which distribution). Mac OSX (Yosemite? El Capitan?)
Windows 10

Versions.

Please run ng --version. If there's nothing outputted, please run in a Terminal: node --version and paste the result here:
@angular/cli: 1.0.0-rc.0
node: 6.10.0
os: win32 x64
@angular/common: 2.4.8
@angular/compiler: 2.4.8
@angular/core: 2.4.8
@angular/forms: 2.4.8
@angular/http: 2.4.8
@angular/platform-browser: 2.4.8
@angular/platform-browser-dynamic: 2.4.8
@angular/router: 3.4.8
@angular/cli: 1.0.0-rc.0
@angular/compiler-cli: 2.4.8

Repro steps.

Was this an app that wasn't created using the CLI? What change did you do on your code? etc.

1. ng new test-app (Angular CLI RC.0)
2. Open with VS Code
3. Add getter/setter inside app component

The log given by the failure.

Normally this include a stack trace and some more information.
Shows lint error: "Accessors are only available when targeting ECMAScript 5 and higher"

Mention any other details that might be useful.

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