RFR: 8365053: Refresh hotspot precompiled.hpp with headers based on current frequency [v3]

[Francesco Andreuzzi]

On Fri, 8 Aug 2025 15:02:56 GMT, Quan Anh Mai <qamai at openjdk.org> wrote:

> I assume this means that other .d files might include a header multiple times, too.

>From the following two numbers, I deduce `code/codeCache.hpp` is (transitively) included in 1230 files, with each inclusion coming from a unique `.d` file. Am I missing something?


% grep "code/codeCache.hpp" build/clang/hotspot/variant-server/libjvm/objs/*.d | grep -v BUILD | sort | wc -l
1230

% grep "code/codeCache.hpp" build/clang/hotspot/variant-server/libjvm/objs/*.d | grep -v BUILD | sort | uniq | wc -l
1230


I haven't checked every single file, but I'd expect each include to appear at most once in each `.d` file.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26681#discussion_r2263257970