src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMemoryAccessProviderImpl.java

@@ -96,11 +96,11 @@
             int length = Array.getLength(object);
             long arrayEnd = headerSize + (sizeOfElement * length);
             boolean aligned = ((displacement - headerSize) % sizeOfElement) == 0;
             if (displacement < 0 || displacement > (arrayEnd - sizeOfElement) || (kind == JavaKind.Object && !aligned)) {
                 int index = (int) ((displacement - headerSize) / sizeOfElement);
-                throw new AssertionError("Unsafe array access: reading element of kind " + kind +
+                throw new IllegalArgumentException("Unsafe array access: reading element of kind " + kind +
                                 " at offset " + displacement + " (index ~ " + index + ") in " +
                                 type.toJavaName() + " object of length " + length);
             }
         } else if (kind != JavaKind.Object) {
             long size;