tests/cases/compiler/objectFreeze.ts(9,1): error TS2322: Type 'string' is not assignable to type 'number'.
tests/cases/compiler/objectFreeze.ts(9,1): error TS2542: Index signature in type 'readonly number[]' only permits reading.
tests/cases/compiler/objectFreeze.ts(12,3): error TS2540: Cannot assign to 'b' because it is a read-only property.


==== tests/cases/compiler/objectFreeze.ts (3 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 TS2322: Type 'string' is not assignable to type 'number'.
    ~~~~
!!! error TS2542: Index signature in type 'readonly number[]' only permits reading.
    
    const o = Object.freeze({ a: 1, b: "string", c: true });
    o.b = o.a.toString();
      ~
!!! error TS2540: Cannot assign to 'b' because it is a read-only property.