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tests/cases/compiler/objectFreeze.ts(9,1): error TS2542: Index signature in type 'ReadonlyArray<number>' only permits reading.
tests/cases/compiler/objectFreeze.ts(12,3): error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
==== tests/cases/compiler/objectFreeze.ts (2 errors) ====
const f = Object.freeze(function foo(a: number, b: string) { return false; });
f(1, "") === false;
class C { constructor(a: number) { } }
const c = Object.freeze(C);
new c(1);
const a = Object.freeze([1, 2, 3]);
a[0] = a[2].toString();
~~~~
!!! error TS2542: Index signature in type 'ReadonlyArray<number>' only permits reading.
const o = Object.freeze({ a: 1, b: "string" });
o.b = o.a.toString();
~
!!! error TS2540: Cannot assign to 'b' because it is a constant or a read-only property.
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