=== tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode16.ts ===
"use strict";
>"use strict" : string

delete this;
>delete this : boolean
>this : any

delete 1;
>delete 1 : boolean
>1 : number

delete null;
>delete null : boolean
>null : null

delete "a";
>delete "a" : boolean
>"a" : string