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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotGraphBuilderPlugins.java

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@@ -37,10 +37,11 @@
 import java.util.zip.CRC32;
 
 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
 import org.graalvm.compiler.bytecode.BytecodeProvider;
 import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
+import org.graalvm.compiler.core.common.type.StampFactory;
 import org.graalvm.compiler.debug.GraalError;
 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
 import org.graalvm.compiler.hotspot.nodes.CurrentJavaThreadNode;
 import org.graalvm.compiler.hotspot.replacements.AESCryptSubstitutions;
 import org.graalvm.compiler.hotspot.replacements.BigIntegerSubstitutions;

@@ -66,10 +67,11 @@
 import org.graalvm.compiler.nodes.LogicNode;
 import org.graalvm.compiler.nodes.NamedLocationIdentity;
 import org.graalvm.compiler.nodes.PiNode;
 import org.graalvm.compiler.nodes.ValueNode;
 import org.graalvm.compiler.nodes.calc.AddNode;
+import org.graalvm.compiler.nodes.calc.IntegerConvertNode;
 import org.graalvm.compiler.nodes.calc.LeftShiftNode;
 import org.graalvm.compiler.nodes.graphbuilderconf.ForeignCallPlugin;
 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;
 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;

@@ -314,12 +316,12 @@
      * @param constantPoolOop value of the {@code constantPoolOop} field in a ConstantPool value
      */
     private static boolean readMetaspaceConstantPoolElement(GraphBuilderContext b, ValueNode constantPoolOop, ValueNode index, JavaKind elementKind, WordTypes wordTypes, GraalHotSpotVMConfig config) {
         ValueNode constants = getMetaspaceConstantPool(b, constantPoolOop, wordTypes, config);
         int shift = CodeUtil.log2(wordTypes.getWordKind().getByteCount());
-        ValueNode scaledIndex = b.add(new LeftShiftNode(index, b.add(ConstantNode.forInt(shift))));
-        ValueNode offset = b.add(new AddNode(scaledIndex, b.add(ConstantNode.forInt(config.constantPoolSize))));
+        ValueNode scaledIndex = b.add(new LeftShiftNode(IntegerConvertNode.convert(index, StampFactory.forKind(JavaKind.Long)), b.add(ConstantNode.forInt(shift))));
+        ValueNode offset = b.add(new AddNode(scaledIndex, b.add(ConstantNode.forLong(config.constantPoolSize))));
         AddressNode elementAddress = b.add(new OffsetAddressNode(constants, offset));
         boolean notCompressible = false;
         ValueNode elementValue = WordOperationPlugin.readOp(b, elementKind, elementAddress, NamedLocationIdentity.getArrayLocation(elementKind), BarrierType.NONE, notCompressible);
         b.addPush(elementKind, elementValue);
         return true;
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