RFR: 8343802: Prevent NULL usage backsliding [v2]

[Nizar Benalla]

On Thu, 6 Feb 2025 05:07:24 GMT, Chen Liang <liach at openjdk.org> wrote:

>> Nizar Benalla has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   update based on feedback
>
> test/hotspot/jtreg/sources/TestNoNULL.java line 56:
> 
>> 54:         }
>> 55: 
>> 56:         if (dir == null) {
> 
> @sormuras Do you know if the source directory (or directories) of the JDK is passed to jtreg at all? The current approach seems a bit hacky.

Copy-pasting this comment from the JBS issue

> We have the full source available when jtreg tests are run in our internal systems. The same should be true in GHA, as well as when developers run tests locally.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23466#discussion_r1944606963