RFR: 8367005: ImageReader refactor caused performance regressions for startup and footprint [v8]

[David Beaumont]

On Fri, 12 Sep 2025 15:00:38 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> David Beaumont has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Tweak test.
>
> test/jdk/jdk/internal/jimage/ImageReaderTest.java line 163:
> 
>> 161:             // Or module names/paths to be empty.
>> 162:             "'':modfoo/com/foo/Alpha.class",
>> 163:             "modfoo:''"})
> 
> Does the use of `'` literals in that string translate to an empty value for module/resource path? I haven't checked myself.

Yes, without it you get null.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27203#discussion_r2351754572