RFR: 8368333: [lworld] Add preview mode to ImageReader and JRT file-system [v6]

[David Beaumont]

On Thu, 9 Oct 2025 15:56:39 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> David Beaumont has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Changing existing package flags during writing to match altered flag values.
>
> src/java.base/share/classes/jdk/internal/jimage/ModuleReference.java line 133:
> 
>> 131: 
>> 132:     /** Returns whether this reference exists only in preview mode. */
>> 133:     public boolean isPreviewOnly() {
> 
> Pick either PreviewOnly or hasNormal and use consistently. (Even if one is the opposite of the other).

They are NOT opposites. It is not possible to use only one or these flags and continue to be logically correct.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1619#discussion_r2453138935