Graal-10565.java

import java.lang.reflect.Array;

public class Test {
    public static int indexOf(final float[] array, final float target) {
        for (int i = 0; i < array.length; i++) {
            if (array[i] == target) {
                return i;
            }
        }
        return -1;
    }

    public static float[] remove(final float[] array, final int index) {
        final int length = Array.getLength(array);
        final Object result = Array.newInstance(array.getClass().getComponentType(), length - 1);
        // throws exception when index is -1
        System.arraycopy(array, 0, result, 0, index);
        System.arraycopy(array, index + 1, result, index, length - index - 1);
        return (float[])result;
    }

    public static float[] removeElement(final float[] array, final float target) {
        int index = indexOf(array, target);
        return remove(array, index);
    }

    public static void main(String[] args) {
        int N = 1000000;
        Object[] results = new Object[N];
        float[] arr = new float[] { 1 };
        for (int i = 0; i < N; ++i) {
            try {
                float target = (float) i % 13;
                results[i] = removeElement(arr, target);
            } catch (Throwable e) {
                results[i] = null;
            }
        }
    }
}