ClearArray.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test ClearArray.java
 * @bug 8284883
 * @compile ClearArray.java
 * @summary ClearArray instruction overflows scratch buffer
 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-TieredCompilation -Xbatch
 *   -XX:InitArrayShortSize=32768 -XX:-IdealizeClearArrayNode compiler.c2.ClearArray
 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -Xbatch
 *   -XX:InitArrayShortSize=32768 -XX:-IdealizeClearArrayNode -XX:UseAVX=3 compiler.c2.ClearArray
 */

package compiler.c2;

public class ClearArray {

    static long[] STATIC;

    static void foo() {
        STATIC = new long[2048 - 1];
    }

    public static void main(String[] args) {
        for (int i = 0; i < 20_000; ++i) {
            foo();
        }
    }
}