On Tue, 27 Jan 2026 01:47:16 GMT, Chris Plummer <[email protected]> wrote:

>> The test verifies that ModificationWatchpointEvent have different current 
>> and new values.
>> Debuggee sets different primitive values (like 
>> `Byte.MIN_VALUE/Byte.MAX_VALUE`), but for wrapper classes it assumes that 
>> `new Byte(Byte.MIN_VALUE)  != new Byte(Byte.MIN_VALUE)`, which is wrong with 
>> `--enable-preview`
>
> test/hotspot/jtreg/vmTestbase/nsk/jdi/ModificationWatchpointEvent/valueToBe/valuetobe001a.java
>  line 206:
> 
>> 204:         X1  = new Class[]     {X0};
>> 205:         X2  = new Class[][]   {X1};
>> 206:         Z0  = new Boolean(z0);
> 
> I understand your description of the problem, but I don't understand how 
> changes like this are fixing the issue. z0 == true, so how is this any 
> different than Boolean(true)?

`initFields()` is called twice - from `init()` and from `run()`
`init()` sets z0 = false, `run()` sets z0 = true

-------------

PR Review Comment: 
https://git.openjdk.org/valhalla/pull/1977#discussion_r2733240249

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