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=== tests/cases/conformance/types/spread/objectSpreadIndexSignature.ts ===
declare let indexed1: { [n: string]: number; a: number; };
>indexed1 : { [n: string]: number; a: number; }
>n : string
>a : number
declare let indexed2: { [n: string]: boolean; c: boolean; };
>indexed2 : { [n: string]: boolean; c: boolean; }
>n : string
>c : boolean
declare let indexed3: { [n: string]: number };
>indexed3 : { [n: string]: number; }
>n : string
let i = { ...indexed1, b: 11 };
>i : { b: number; a: number; }
>{ ...indexed1, b: 11 } : { b: number; a: number; }
>indexed1 : { [n: string]: number; a: number; }
>b : number
>11 : 11
// only indexed has indexer, so i[101]: any
i[101];
>i[101] : any
>i : { b: number; a: number; }
>101 : 101
let ii = { ...indexed1, ...indexed2 };
>ii : { [x: string]: number | boolean; c: boolean; a: number; }
>{ ...indexed1, ...indexed2 } : { [x: string]: number | boolean; c: boolean; a: number; }
>indexed1 : { [n: string]: number; a: number; }
>indexed2 : { [n: string]: boolean; c: boolean; }
// both have indexer, so i[1001]: number | boolean
ii[1001];
>ii[1001] : number | boolean
>ii : { [x: string]: number | boolean; c: boolean; a: number; }
>1001 : 1001
declare const b: boolean;
>b : boolean
indexed3 = { ...b ? indexed3 : undefined };
>indexed3 = { ...b ? indexed3 : undefined } : { [n: string]: number; }
>indexed3 : { [n: string]: number; }
>{ ...b ? indexed3 : undefined } : { [n: string]: number; }
>b ? indexed3 : undefined : { [n: string]: number; } | undefined
>b : boolean
>indexed3 : { [n: string]: number; }
>undefined : undefined
declare var roindex: { readonly [x:string]: number };
>roindex : { readonly [x: string]: number; }
>x : string
var writable = { ...roindex };
>writable : { [x: string]: number; }
>{ ...roindex } : { [x: string]: number; }
>roindex : { readonly [x: string]: number; }
writable.a = 0; // should be ok.
>writable.a = 0 : 0
>writable.a : number
>writable : { [x: string]: number; }
>a : number
>0 : 0
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