1 /*

     2  * Copyright (c) 2017, 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 public class compiler/linkage/OSRWithBadOperandStack version 52:0 {

    26     public static Method m1:"()I" stack 1 locals 0 {

    27         iconst_0;

    28         ireturn;

    29     }

    30 

    31     public static Method m2:"(Ljava/lang/Object;)V" stack 1 locals 1 {

    32         return;

    33     }

    34 

    35     public static Method test:"()V" stack 2 locals 1 {

    36         iconst_0;

    37         istore_0;

    38         Loop: stack_frame_type append;

    39         locals_map int;

    40         iload_0;

    41         // This should fail with "java.lang.VerifyError: Bad type on operand stack Exception"

    42         // because m1 returns an integer and m2 takes an Object.

    43         invokestatic Method compiler/linkage/OSRWithBadOperandStack."m1":"()I";

    44         invokestatic Method compiler/linkage/OSRWithBadOperandStack."m2":"(Ljava/lang/Object;)V";

    45         iinc 0, 1;

    46         ldc 100000;

    47         if_icmple Loop;

    48         return;

    49     }

    50 }