8149740: NPEs when executing some HotSpotConstantReflectionProvider with null args
Reviewed-by: twisti, dnsimon
--- a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotConstantReflectionProvider.java Mon Feb 15 14:31:21 2016 +0300
+++ b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotConstantReflectionProvider.java Mon Feb 15 14:32:49 2016 +0300
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, 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
@@ -77,7 +77,7 @@
@Override
public Integer readArrayLength(JavaConstant array) {
- if (array.getJavaKind() != JavaKind.Object || array.isNull()) {
+ if (array == null || array.getJavaKind() != JavaKind.Object || array.isNull()) {
return null;
}
@@ -134,12 +134,12 @@
@Override
public JavaConstant readArrayElement(JavaConstant array, int index) {
- if (array.getJavaKind() != JavaKind.Object || array.isNull()) {
+ if (array == null || array.getJavaKind() != JavaKind.Object || array.isNull()) {
return null;
}
Object a = ((HotSpotObjectConstantImpl) array).object();
- if (index < 0 || index >= Array.getLength(a)) {
+ if (!a.getClass().isArray() || index < 0 || index >= Array.getLength(a)) {
return null;
}
@@ -185,7 +185,7 @@
@Override
public JavaConstant boxPrimitive(JavaConstant source) {
- if (!source.getJavaKind().isPrimitive() || !isBoxCached(source)) {
+ if (source == null || !source.getJavaKind().isPrimitive() || !isBoxCached(source)) {
return null;
}
return HotSpotObjectConstantImpl.forObject(source.asBoxedPrimitive());
@@ -193,7 +193,7 @@
@Override
public JavaConstant unboxPrimitive(JavaConstant source) {
- if (!source.getJavaKind().isObject()) {
+ if (source == null || !source.getJavaKind().isObject()) {
return null;
}
if (source.isNull()) {