On Sat, 16 Dec 2023 06:38:38 GMT, Sam James <d...@openjdk.org> wrote:

> My preference for moving forward is:
>
> 1.  I add some static_assert for off_t to the modified JVM bits to be safe 
> (that's what I tested with);
> 2.  We keep this PR for the build-only fixes which are semantically identical 
> to the previous code - this PR currently "preserves" bitness, it doesn't fix 
> anything other than avoiding use of foo64() where it's unnecessary by 
> converting to foo, but the foo64() use was right - just a glibcism - until 
> now. From what I can tell, the JVM code touched here was correct, just 
> relying on glibcisms;
> 3. In another PR, we look at the general 32-bit LFS situation which may 
> involve runtime fixes if - as it appears - off_t is actually 32-bit on x86 
> systems right now and non foo64() functions are being used. Then we either 
> port more stuff to use foo64() (not ideal), or consistently use foo() in more 
> places with FILE_OFFSET_BITS.

I'm unclear how the current PR is expected to proceed under this plan. Does # 2 
also keep the source code changes in this PR? Should the asserts from # 1 also 
be added to this PR?

This issue is now hitting hard on Alpine Linux 3.19 - see 
[JDK-8324153](https://bugs.openjdk.org/browse/JDK-8324153)

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PR Comment: https://git.openjdk.org/jdk/pull/16329#issuecomment-1899810531

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