noImplicitAnyStringIndexerOnObject.types

=== tests/cases/compiler/noImplicitAnyStringIndexerOnObject.ts ===
var a = {}["hello"];
>a : any
>{}["hello"] : any
>{} : {}
>"hello" : "hello"

var b: string = { '': 'foo' }[''];
>b : string
>{ '': 'foo' }[''] : string
>{ '': 'foo' } : { '': string; }
>'' : string
>'foo' : "foo"
>'' : ""

var c = {
>c : { get: (key: string) => string; }
>{  get: (key: string) => 'foobar'} : { get: (key: string) => string; }

  get: (key: string) => 'foobar'
>get : (key: string) => string
>(key: string) => 'foobar' : (key: string) => string
>key : string
>'foobar' : "foobar"

};
c['hello'];
>c['hello'] : any
>c : { get: (key: string) => string; }
>'hello' : "hello"

const foo = c['hello'];
>foo : any
>c['hello'] : any
>c : { get: (key: string) => string; }
>'hello' : "hello"

var d = {
>d : { set: (key: string) => string; }
>{  set: (key: string) => 'foobar'} : { set: (key: string) => string; }

  set: (key: string) => 'foobar'
>set : (key: string) => string
>(key: string) => 'foobar' : (key: string) => string
>key : string
>'foobar' : "foobar"

};
const bar = d['hello'];
>bar : any
>d['hello'] : any
>d : { set: (key: string) => string; }
>'hello' : "hello"

var e = {
>e : { set: (key: string) => string; get: (key: string) => string; }
>{  set: (key: string) => 'foobar',  get: (key: string) => 'foobar'} : { set: (key: string) => string; get: (key: string) => string; }

  set: (key: string) => 'foobar',
>set : (key: string) => string
>(key: string) => 'foobar' : (key: string) => string
>key : string
>'foobar' : "foobar"

  get: (key: string) => 'foobar'
>get : (key: string) => string
>(key: string) => 'foobar' : (key: string) => string
>key : string
>'foobar' : "foobar"

};
e['hello'] = 'modified';
>e['hello'] = 'modified' : "modified"
>e['hello'] : any
>e : { set: (key: string) => string; get: (key: string) => string; }
>'hello' : "hello"
>'modified' : "modified"

e['hello'] += 1;
>e['hello'] += 1 : any
>e['hello'] : any
>e : { set: (key: string) => string; get: (key: string) => string; }
>'hello' : "hello"
>1 : 1

e['hello'] ++;
>e['hello'] ++ : number
>e['hello'] : any
>e : { set: (key: string) => string; get: (key: string) => string; }
>'hello' : "hello"