// This file was procedurally generated from the following sources: // - src/subclass-builtins/WeakMap.case // - src/subclass-builtins/default/expression.template /*--- description: new SubWeakMap() instanceof WeakMap (Subclass instanceof Heritage) features: [WeakMap] flags: [generated] ---*/ const Subclass = class extends WeakMap {} const sub = new Subclass(); assert(sub instanceof Subclass); assert(sub instanceof WeakMap); reportCompare(0, 0);