--- /dev/null 2017-11-07 07:06:33.673504269 +0100 +++ new/test/hotspot/jtreg/compiler/linkage/OSRWithBadOperandStack.jasm 2017-11-07 09:02:31.283917585 +0100 @@ -0,0 +1,50 @@ +/* + * 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. + * + */ + +public class compiler/linkage/OSRWithBadOperandStack version 52:0 { + public static Method m1:"()I" stack 1 locals 0 { + iconst_0; + ireturn; + } + + public static Method m2:"(Ljava/lang/Object;)V" stack 1 locals 1 { + return; + } + + public static Method test:"()V" stack 2 locals 1 { + iconst_0; + istore_0; + Loop: stack_frame_type append; + locals_map int; + iload_0; + // This should fail with "java.lang.VerifyError: Bad type on operand stack Exception" + // because m1 returns an integer and m2 takes an Object. + invokestatic Method compiler/linkage/OSRWithBadOperandStack."m1":"()I"; + invokestatic Method compiler/linkage/OSRWithBadOperandStack."m2":"(Ljava/lang/Object;)V"; + iinc 0, 1; + ldc 100000; + if_icmple Loop; + return; + } +}