Wed, 01 Oct 2014 12:34:45 -0700
8059556: C2: crash while inlining MethodHandle invocation w/ null receiver
Reviewed-by: kvn, jrose
src/share/vm/opto/callGenerator.cpp | file | annotate | diff | comparison | revisions | |
test/compiler/jsr292/NullConstantReceiver.java | file | annotate | diff | comparison | revisions |
1.1 --- a/src/share/vm/opto/callGenerator.cpp Mon Sep 29 11:46:05 2014 -0700 1.2 +++ b/src/share/vm/opto/callGenerator.cpp Wed Oct 01 12:34:45 2014 -0700 1.3 @@ -862,7 +862,7 @@ 1.4 call_does_dispatch, vtable_index); // out-parameters 1.5 // We lack profiling at this call but type speculation may 1.6 // provide us with a type 1.7 - speculative_receiver_type = receiver_type->speculative_type(); 1.8 + speculative_receiver_type = (receiver_type != NULL) ? receiver_type->speculative_type() : NULL; 1.9 } 1.10 1.11 CallGenerator* cg = C->call_generator(target, vtable_index, call_does_dispatch, jvms, true, PROB_ALWAYS, speculative_receiver_type, true, true);
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/test/compiler/jsr292/NullConstantReceiver.java Wed Oct 01 12:34:45 2014 -0700 2.3 @@ -0,0 +1,62 @@ 2.4 +/* 2.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 2.7 + * 2.8 + * This code is free software; you can redistribute it and/or modify it 2.9 + * under the terms of the GNU General Public License version 2 only, as 2.10 + * published by the Free Software Foundation. 2.11 + * 2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 2.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 2.15 + * version 2 for more details (a copy is included in the LICENSE file that 2.16 + * accompanied this code). 2.17 + * 2.18 + * You should have received a copy of the GNU General Public License version 2.19 + * 2 along with this work; if not, write to the Free Software Foundation, 2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2.21 + * 2.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2.23 + * or visit www.oracle.com if you need additional information or have any 2.24 + * questions. 2.25 + */ 2.26 + 2.27 +/** 2.28 + * @test 2.29 + * @bug 8059556 2.30 + * @run main/othervm -Xbatch NullConstantReceiver 2.31 + */ 2.32 + 2.33 +import java.lang.invoke.MethodHandle; 2.34 +import java.lang.invoke.MethodHandles; 2.35 +import java.lang.invoke.MethodType; 2.36 + 2.37 +public class NullConstantReceiver { 2.38 + static final MethodHandle target; 2.39 + static { 2.40 + try { 2.41 + target = MethodHandles.lookup().findVirtual(NullConstantReceiver.class, "test", MethodType.methodType(void.class)); 2.42 + } catch (ReflectiveOperationException e) { 2.43 + throw new Error(e); 2.44 + } 2.45 + } 2.46 + 2.47 + public void test() {} 2.48 + 2.49 + static void run() throws Throwable { 2.50 + target.invokeExact((NullConstantReceiver) null); 2.51 + } 2.52 + 2.53 + public static void main(String[] args) throws Throwable { 2.54 + for (int i = 0; i<15000; i++) { 2.55 + try { 2.56 + run(); 2.57 + } catch (NullPointerException e) { 2.58 + // expected 2.59 + continue; 2.60 + } 2.61 + throw new AssertionError("NPE wasn't thrown"); 2.62 + } 2.63 + System.out.println("TEST PASSED"); 2.64 + } 2.65 +}