Docs not pass down through Partial<T>

[mjbvz]

From @unional on December 15, 2016 23:45

• VSCode Version: 1.8.0

interface Foo {
  /**
   * x is your name
   */
  x: string
}

function foo(f: Foo) {}
function boo(b: Partial<Foo>) {}

foo({})
boo({})

Copied from original issue: microsoft/vscode#17357

[sandersn]

This is likely a duplicate of #13690 and will be fixed when that is. I'll leave this issue open in case there is additional work to do after the fix for that is done.