src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/BasicArrayCopyNode.java

rev 56282 : [mq]: graal

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 2018, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2013, 2019, 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.
*** 142,152 ****
      public void lower(LoweringTool tool) {
          tool.getLowerer().lower(this, tool);
      }
  
      private static boolean checkBounds(int position, int length, VirtualObjectNode virtualObject) {
!         return position >= 0 && position + length <= virtualObject.entryCount();
      }
  
      private static boolean checkEntryTypes(int srcPos, int length, VirtualObjectNode src, ResolvedJavaType destComponentType, VirtualizerTool tool) {
          if (destComponentType.getJavaKind() == JavaKind.Object && !destComponentType.isJavaLangObject()) {
              for (int i = 0; i < length; i++) {
--- 142,153 ----
      public void lower(LoweringTool tool) {
          tool.getLowerer().lower(this, tool);
      }
  
      private static boolean checkBounds(int position, int length, VirtualObjectNode virtualObject) {
!         assert length >= 0;
!         return position >= 0 && position <= virtualObject.entryCount() - length;
      }
  
      private static boolean checkEntryTypes(int srcPos, int length, VirtualObjectNode src, ResolvedJavaType destComponentType, VirtualizerTool tool) {
          if (destComponentType.getJavaKind() == JavaKind.Object && !destComponentType.isJavaLangObject()) {
              for (int i = 0; i < length; i++) {