/* * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * JDK-8059835: Optimistic splitting doesn't work with let and const * * @test * @run * @option --language=es6 * @option -Dnashorn.compiler.splitter.threshold=100 * @fork */ function f() { let sum = 0; const c = 13; if (true) { let x = 0; const y = 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; sum += x; sum += y; } outer: while (true) { let x = 0; const y = 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; sum += x; sum += y; sum += c; let i = 0; const k = 1; while (true) { x += k; if (++i === 10) { break outer; } } x += k; } return sum; } function g() { let sum = 0; const c = 13; if (true) { let x = 0; const y = 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; sum += x; sum += y; } outer: while (true) { let x = 0; const y = 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; x += 1; sum += x; sum += y; sum += c; let i = 0; const k = 1; while (true) { x += k; if (++i === 10) return 'abc'; } x += k; } return sum; } Assert.assertTrue(f() === 80); Assert.assertTrue(g() === 'abc');