RFR: 8332111: [BACKOUT] A way to align already compiled methods with compiler directives

[Dmitry Chuyko]

On Mon, 13 May 2024 14:21:35 GMT, Evgeny Astigeevich <eastigeevich at openjdk.org> wrote:

> > Are there any high severity problems caused by the original PR? Especially not in the new functionality. Minor issues could be probably addressed without backing out the entire functionality.
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> Yes, there are:
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> > 1. Usually directives are updated for a small number of Java methods. If CodeCache has thousands of nmethods, CodeCache::recompile_marked_directives_matches will be traversing nmethods most of which don't need recompilation.
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> > 2. has_matching_directives might not be cleared. 
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> > 3. A Java method is not recompiled as requested.
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> 

So there are cases when new functionality doesn't work as expected (I don't see any other users impacted). Why not file bugs for those cases and estimate their impact?

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PR Comment: https://git.openjdk.org/jdk/pull/19215#issuecomment-2107777980