// Copyright 2021 the V8 project authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.functionfastAssertEquals(expected,actual){if(expected===actual)return;// Formatting large BigInts to base-10 string is slow and verbose, so format// them to hex strings and report only a prefix.thrownewMjsUnitAssertionError('Failure:\nexpected:\n0x'+expected.toString(16).substring(0,1000)+'...n\nfound:\n0x'+actual.toString(16).substring(0,1000)+'...n');}functionregress_1228267(power){leta=2n**power;leta_squared=a*a;letexpected=2n**(2n*power);fastAssertEquals(expected,a_squared);}regress_1228267(1273000n);// This triggered the bug on 32-bit platforms.regress_1228267(2564000n);// This triggered the bug on 64-bit platforms.