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// Test TDZ for optional chaining.
// TDZ for lexical |let| bindings with optional chaining.
{
assertThrowsInstanceOf(() => {
const Null = null;
Null?.[b];
b = 0;
let b;
}, ReferenceError);
assertThrowsInstanceOf(() => {
const Null = null;
Null?.[b]();
b = 0;
let b;
}, ReferenceError);
assertThrowsInstanceOf(() => {
const Null = null;
delete Null?.[b];
b = 0;
let b;
}, ReferenceError);
}
if (typeof reportCompare === "function")
reportCompare(true, true);