• file
• revisions
• annotate
• diff
• comparison
• raw

test/tools/javac/BranchToFewerDefines.java@f02d967ddce2 (annotated)

test/tools/javac/BranchToFewerDefines.java

Fri, 09 Jan 2015 15:50:22 +0000

author

mcimadamore

date

Fri, 09 Jan 2015 15:50:22 +0000

changeset 3852

f02d967ddce2

permissions

-rw-r--r--

8067429: java.lang.VerifyError: Inconsistent stackmap frames at branch target
Summary: bitset for alive variables contains info about variables out of range
Reviewed-by: mcimadamore
Contributed-by: srikanth.adayapalam@oracle.com

mcimadamore@3852	1	/*
mcimadamore@3852	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
mcimadamore@3852	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@3852	4	*
mcimadamore@3852	5	* This code is free software; you can redistribute it and/or modify it
mcimadamore@3852	6	* under the terms of the GNU General Public License version 2 only, as
mcimadamore@3852	7	* published by the Free Software Foundation.
mcimadamore@3852	8	*
mcimadamore@3852	9	* This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@3852	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@3852	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
mcimadamore@3852	12	* version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@3852	13	* accompanied this code).
mcimadamore@3852	14	*
mcimadamore@3852	15	* You should have received a copy of the GNU General Public License version
mcimadamore@3852	16	* 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@3852	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@3852	18	*
mcimadamore@3852	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
mcimadamore@3852	20	* or visit www.oracle.com if you need additional information or have any
mcimadamore@3852	21	* questions.
mcimadamore@3852	22	*/
mcimadamore@3852	23
mcimadamore@3852	24	/*
mcimadamore@3852	25	* @test
mcimadamore@3852	26	* @bug 8067429
mcimadamore@3852	27	* @summary java.lang.VerifyError: Inconsistent stackmap frames at branch target
mcimadamore@3852	28	* @author srikanth
mcimadamore@3852	29	*
mcimadamore@3852	30	* @compile BranchToFewerDefines.java
mcimadamore@3852	31	* @run main BranchToFewerDefines
mcimadamore@3852	32	*/
mcimadamore@3852	33
mcimadamore@3852	34	public class BranchToFewerDefines {
mcimadamore@3852	35	public static void main(String[] args) {
mcimadamore@3852	36	}
mcimadamore@3852	37	private void problematicMethod(int p) {
mcimadamore@3852	38	switch (p) {
mcimadamore@3852	39	case 3:
mcimadamore@3852	40	long n;
mcimadamore@3852	41	while (true) {
mcimadamore@3852	42	if (false) {
mcimadamore@3852	43	break;
mcimadamore@3852	44	}
mcimadamore@3852	45	}
mcimadamore@3852	46	break;
mcimadamore@3852	47	case 2:
mcimadamore@3852	48	loop: while (true) {
mcimadamore@3852	49	while (true) {
mcimadamore@3852	50	int i = 4;
mcimadamore@3852	51	if (p != 16) {
mcimadamore@3852	52	return;
mcimadamore@3852	53	}
mcimadamore@3852	54	break loop;
mcimadamore@3852	55	}
mcimadamore@3852	56	}
mcimadamore@3852	57	break;
mcimadamore@3852	58	default:
mcimadamore@3852	59	while (true) {
mcimadamore@3852	60	if (false) {
mcimadamore@3852	61	break;
mcimadamore@3852	62	}
mcimadamore@3852	63	}
mcimadamore@3852	64	break;
mcimadamore@3852	65	}
mcimadamore@3852	66	long b;
mcimadamore@3852	67	if (p != 7) {
mcimadamore@3852	68	switch (p) {
mcimadamore@3852	69	case 1:
mcimadamore@3852	70	long a = 17;
mcimadamore@3852	71	break;
mcimadamore@3852	72	case 2:
mcimadamore@3852	73	break;
mcimadamore@3852	74	default:
mcimadamore@3852	75	break;
mcimadamore@3852	76	}
mcimadamore@3852	77	}
mcimadamore@3852	78	}
mcimadamore@3852	79	private void problematicMethod2(int p) {
mcimadamore@3852	80	switch (p) {
mcimadamore@3852	81	case 3:
mcimadamore@3852	82	long n;
mcimadamore@3852	83	{
mcimadamore@3852	84	int i = 4;
mcimadamore@3852	85	break;
mcimadamore@3852	86	}
mcimadamore@3852	87	case 2:
mcimadamore@3852	88	{
mcimadamore@3852	89	int i = 4;
mcimadamore@3852	90	break;
mcimadamore@3852	91	}
mcimadamore@3852	92	default:
mcimadamore@3852	93	{
mcimadamore@3852	94	int i = 4;
mcimadamore@3852	95	break;
mcimadamore@3852	96	}
mcimadamore@3852	97	}
mcimadamore@3852	98	long b;
mcimadamore@3852	99	if (p != 7) {
mcimadamore@3852	100	switch (p) {
mcimadamore@3852	101	case 1:
mcimadamore@3852	102	long a = 17;
mcimadamore@3852	103	break;
mcimadamore@3852	104	case 2:
mcimadamore@3852	105	break;
mcimadamore@3852	106	default:
mcimadamore@3852	107	break;
mcimadamore@3852	108	}
mcimadamore@3852	109	}
mcimadamore@3852	110	}
mcimadamore@3852	111	}