Thu, 30 Jul 2009 10:29:53 +0100
6827648: Extremely slow compilation time for visitor pattern code + generics
Summary: Javac unnecessarily recomputates type-substitutions multiple times
Reviewed-by: jjg
1 /*
2 * Copyright 1999-2002 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
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22 */
24 /**
25 * @test
26 * @bug 4249111
27 * @summary 'new' of inner class should not be allowed unless outer is constructed
28 *
29 * @compile/fail NewBeforeOuterConstructed.java
30 */
32 import java.io.*;
34 public class NewBeforeOuterConstructed extends PrintStream {
35 private class NullOutputStream extends OutputStream {
36 public NullOutputStream() {
37 super();
38 }
39 public void write(int b) { }
40 public void write(byte b[]) { }
41 public void write(byte b[], int off, int len) { }
42 public void flush() { }
43 public void close() { }
44 }
45 public NewBeforeOuterConstructed() {
46 // The 'new' below is illegal, as the outer
47 // constructor has not been called when the
48 // implicit reference to 'this' is evaluated
49 // during the new instance expression.
50 super(new NullOutputStream());
51 }
52 }