RFR: 8286562: GCC 12 reports some compiler warnings [v4]

[Kim Barrett]

On Thu, 12 May 2022 18:28:02 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Thanks for all to review this PR! I think we should separate this issue as following:
>> 
>> * Suppress warnings
>>     * make/modules/java.desktop/lib/Awt2dLibraries.gmk
>>     * src/hotspot/share/classfile/bytecodeAssembler.cpp
>>     * src/hotspot/share/classfile/classFileParser.cpp
>>     * src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceIdBits.inline.hpp
>>     * src/hotspot/share/opto/memnode.cpp
>>     * src/hotspot/share/opto/type.cpp
>>     * src/hotspot/share/utilities/compilerWarnings.hpp
>>     * src/hotspot/share/utilities/compilerWarnings_gcc.hpp
>>     * src/java.base/unix/native/libjli/java_md_common.c
>> * Bug fixes
>>     * src/java.base/share/native/libjli/java.c
>>     * src/java.base/share/native/libjli/parse_manifest.c
>>     * src/jdk.jpackage/linux/native/applauncher/LinuxPackage.c
>> 
>> I want to include the change of Awt2dLibraries.gmk (HarfBuzz) in this PR because it is 3rd party library.
>> 
>> I will separate in above if I do not hear any objections, and this issue (PR) handles "suppress warnings" only.
>
>> @YaSuenag From my PoV this sounds like a good suggestion.
> 
> +1

> Can I get the review from HotSpot folks? @kimbarrett

Already working on it.  There are some I don't understand yet.

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PR: https://git.openjdk.java.net/jdk/pull/8646