Nathan Shively-Sanders ee8adaeac2 No error on unmatchable @param tags (#22510)
* No errr on unmatchable `@param` tags

Such as when the initializer is not a function, or when the function
mentions `arguments` in its body.

* Do not require dummy param for JS uses of arguments

1. JS functions that use `arguments` do not require a dummy parameter in
order to get a type for the synthetic `args` parameter if there is an
`@param` with a `...` type.
2.JS functions that use `arguments` and have an `@param` must have a
type that is a `...` type.

* Check for array type instead of syntactic `...`

* Address PR comments

* Update baselines
2018-03-14 11:06:25 -07:00
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