RFR: 8355003: Implement JEP 515: Ahead-of-Time Method Profiling [v19]

[Igor Veresov]

On Tue, 13 May 2025 23:10:53 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Igor Veresov has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 82 commits:
>> 
>>  - Merge branch 'master' into pp2
>>  - Address Ioi's comments
>>  - 8356885: Don't emit C1 profiling for casts if TypeProfileCasts is off
>>    
>>    Reviewed-by: vlivanov, kvn
>>  - 8352755: Misconceptions about j.text.DecimalFormat digits during parsing
>>    
>>    Reviewed-by: naoto
>>  - 8356667: GenShen: Eliminate races with ShenandoahFreeSet::available()
>>    
>>    Reviewed-by: wkemper
>>  - 8356819: [macos] MacSign should use "openssl" and "faketime" from Homebrew by default
>>    
>>    Reviewed-by: asemenyuk
>>  - 8356107: [java.lang] Use @requires tag instead of exiting based on os.name or separatorChar property
>>    
>>    Reviewed-by: naoto, bpb
>>  - 8356447: Change default for EagerJVMCI to true
>>    
>>    Reviewed-by: yzheng, kvn, never
>>  - 8351415: (fs) Path::toAbsolutePath should specify if an absolute path has a root component
>>    
>>    Reviewed-by: alanb
>>  - 8356551: Javac rejects receiver parameter in constructor of local class in early construction context
>>    
>>    Reviewed-by: mcimadamore
>>  - ... and 72 more: https://git.openjdk.org/jdk/compare/10dcdf1b...1669f900
>
> test/hotspot/jtreg/runtime/cds/appcds/aotProfile/AOTProfileFlags.java line 115:
> 
>> 113: 
>> 114:         out = CDSTestUtils.executeAndLog(pb, "production_failure");
>> 115:         out.shouldContain("does not equal");
> 
> Since all the flags have `Profile` in them, I think we should use this to match the intended output:
> 
> 
> String errorPattern = "Profile.* setting .* does not equal the current .*Profile.* setting";
> out.shouldNotMatch(errorPattern);
> ...
> out.shouldMatch(errorPattern);

`SpecTrapLimitExtraEntries` does not.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24886#discussion_r2087755889