| /* |
| * Copyright (c) 2015, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 8078093 8055894 |
| * @summary Exponential performance regression Java 8 compiler compared to Java 7 compiler |
| * @compile T8055984.java |
| */ |
| |
| class T8055984 { |
| static class C<U> { |
| U fu; |
| |
| C() { } |
| |
| C(C<U> other) { |
| this.fu = other.fu; |
| } |
| |
| C(U fu) { |
| this.fu = fu; |
| } |
| } |
| |
| static <U> C<U> m(C<U> src) { return new C<U>(src); } |
| |
| static void test() { |
| C<String> c2 = m(new C<>(m(new C<>() )) ); |
| C<String> c3 = m(new C<>(m(new C<>(m(new C<>() )) )) ); |
| C<String> c4 = m(new C<>(m(new C<>(m(new C<>(m(new C<>() )) )) )) ); |
| C<String> c5 = m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>() )) )) )) )) ); |
| C<String> c6 = m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>() )) )) )) )) )) ); |
| C<String> c7 = m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>() )) )) )) )) )) )) ); |
| C<String> c8 = m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>() )) )) )) )) )) )) )) ); |
| C<String> c9 = m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>() )) )) )) )) )) )) )) )) ); |
| C<String> c10 = m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>(m(new C<>()))))))))))))))))))); |
| } |
| } |
| |