RFR: 8349140: Size optimization (opt-size) build fails after recent PCH changes

[David Holmes]

On Wed, 5 Feb 2025 06:35:43 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> There was no indication as to why `bytecodeInterpreter.cpp` was made no-PCH back in [JDK-6571248](https://bugs.openjdk.org/browse/JDK-6571248), and it appears to only have been for Windows. So removing it now seems reasonable, though we should be able to verify that the object file remains the same regardless, just to be safe.
>
> I don't think that is possible, you cannot compile a Zero VM on Windows, so it will not be possible to tell whether the object file on Windows has changed or not. I do have a Windows/Zero port downstream, but haven't gotten around to fixing it on top of latest JDK yet
> 
> Is bytecodeInterpreterWithChecks.cpp still used by JVMTI now?

bytecodeInterpreterWithChecks.cpp was removed some time ago.

If no one can even build Windows Zero today then we are not going to make anything worse

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PR Review Comment: https://git.openjdk.org/jdk/pull/23442#discussion_r1944226646