Mercurial > hg > truffle
view test/compiler/7141637/SpreadNullArg.java @ 20228:f72d8917322a
8050978: Fix bad field access check in C1 and C2
Summary: JCK8 test vm/constantpool/accessControl/accessControl004/accessControl00402m3/accessControl00402m3.html fails with -Xbatch -Xcomp due to bad field access check in C1 and C2. Fix: In ciField::ciField(), just before the canonical holder is stored into the _holder variable (and which is used by ciField::will_link()) perform an additional access check with the holder declared in the class file. If this check fails, store the declared holder instead and ciField::will_link() will bail out compilation for this field later on. Then, the interpreter will throw an PrivilegedAccessException at runtime.
Reviewed-by: kvn, vlivanov
Contributed-by: andreas.schoesser@sap.com
author | goetz |
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date | Fri, 18 Jul 2014 09:04:01 +0200 |
parents | 62084ffe573b |
children |
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/* * Copyright 2011 SAP AG. 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. */ /* * @test SpreadNullArg * @bug 7141637 * @summary verifies that the MethodHandle spread adapter can gracefully handle null arguments. * @run main SpreadNullArg * @author volker.simonis@gmail.com */ import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodType; public class SpreadNullArg { public static void main(String args[]) { MethodType mt_ref_arg = MethodType.methodType(int.class, Integer.class); MethodHandle mh_spreadInvoker = MethodHandles.spreadInvoker(mt_ref_arg, 0); MethodHandle mh_spread_target; int result = 42; try { mh_spread_target = MethodHandles.lookup().findStatic(SpreadNullArg.class, "target_spread_arg", mt_ref_arg); result = (int) mh_spreadInvoker.invokeExact(mh_spread_target, (Object[]) null); throw new Error("Expected IllegalArgumentException was not thrown"); } catch (IllegalArgumentException e) { System.out.println("Expected exception : " + e); } catch (Throwable e) { throw new Error(e); } if (result != 42) { throw new Error("result [" + result + "] != 42 : Expected IllegalArgumentException was not thrown?"); } } public static int target_spread_arg(Integer i1) { return i1.intValue(); } }