Bug Report: arguments supplied to restore are split with whitespace

[孙译喆]

Calling `java -XX:CRaCRestore Foo arg1` when there is whitespace in `arg1` causes `arg1` to be split into multiple arguments. I don't think this is intentional.




Here's a demonstation.




```java

// mypack/Foo.java

package mypack;

import jdk.crac.Core;
import java.util.Arrays;

public class Foo {
    public static void main(String[] args) throws Exception {
        jdk.crac.Core.checkpointRestore();
    }
}

class Bar {
    public static void main(String[] args) {
        System.out.println(Arrays.toString(args));
    }
}




```




Step 1: create a checkpoint with `java -XX:CRaCCheckpointTo=foo_checkpoint mypack.Foo`

Step 2: restore the checkpoint with `java -XX:CRaCRestoreFrom=foo_checkpoint mypack.Bar 'Hello World'`




Expected output: ["Hello World"]

Actual output: ["Hello", "World"]
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