Index: compiler/org/eclipse/jdt/internal/compiler/ast/InstanceOfExpression.java
===================================================================
RCS file: /home/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/ast/InstanceOfExpression.java,v
retrieving revision 1.40
diff -u -r1.40 InstanceOfExpression.java
--- compiler/org/eclipse/jdt/internal/compiler/ast/InstanceOfExpression.java	7 Jul 2005 10:44:02 -0000	1.40
+++ compiler/org/eclipse/jdt/internal/compiler/ast/InstanceOfExpression.java	19 Aug 2005 14:22:43 -0000
@@ -81,7 +81,17 @@
 		if (expressionType == null || checkedType == null)
 			return null;
 
-		if (checkedType.isTypeVariable() || checkedType.isBoundParameterizedType() || checkedType.isGenericType()) {
+		if (checkedType.isArrayType()) {
+			TypeBinding leafType = checkedType.leafComponentType();
+			if (leafType.isTypeVariable() || leafType.isBoundParameterizedType() || leafType.isGenericType()) {
+				scope.problemReporter().illegalInstanceOfGenericType(checkedType, this);
+			} else {
+				boolean isLegal = checkCastTypesCompatibility(scope, checkedType, expressionType, null);
+				if (!isLegal) {
+					scope.problemReporter().notCompatibleTypesError(this, expressionType, checkedType);
+				}
+			}
+		} else if (checkedType.isTypeVariable() || checkedType.isBoundParameterizedType() || checkedType.isGenericType()) {
 			scope.problemReporter().illegalInstanceOfGenericType(checkedType, this);
 		} else {
 			boolean isLegal = checkCastTypesCompatibility(scope, checkedType, expressionType, null);