1 /*
2  * Copyright (c) 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 /*
25  * @test
26  * @bug 8006684
27  * @summary Compiler produces java.lang.VerifyError: Bad type on operand stack
28  * @run main LambdaExpr21
29  */
30 public class LambdaExpr21 {
31 
32     static int assertionCount = 0;
33 
assertTrue(boolean cond)34     static void assertTrue(boolean cond) {
35         assertionCount++;
36         if (!cond)
37             throw new AssertionError();
38     }
39 
40     interface SAM {
foo()41         void foo();
42     }
43 
44     static class Checker {
Checker(boolean cond)45         Checker(boolean cond) {
46             assertTrue(cond);
47         }
48     }
49 
50     static {
51         SAM s = ()-> { new Checker(true) { }; };
s.foo()52         s.foo();
53     }
54 
test()55     static void test(){
56         SAM s = ()-> { new Checker(true) { }; };
57         s.foo();
58     }
59 
60     static SAM s = ()-> { new Checker(true) { }; };
61 
main(String[] args)62     public static void main(String[] args) {
63         test();
64         s.foo();
65         assertTrue(assertionCount == 3);
66     }
67 }
68