RFR: 8275008: gtest build failure due to stringop-overflow warning with gcc11

[Jie Fu]

On Mon, 11 Oct 2021 02:35:20 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Hi all,
>> 
>> gtest build fails due to stringop-overflow warning with gcc11.
>> 
>> This is because gcc11 seems to be smart enough to detect the following stringop-overflow at test/hotspot/gtest/memory/test_guardedMemory.cpp:125:11.
>> 
>> * For target hotspot_variant-server_libjvm_gtest_objs_test_guardedMemory.o:
>> In file included from /usr/include/string.h:495,
>>                  from /home/jdk/src/hotspot/share/utilities/globalDefinitions_gcc.hpp:35,
>>                  from /home/jdk/src/hotspot/share/utilities/globalDefinitions.hpp:35,
>>                  from /home/jdk/src/hotspot/share/memory/allocation.hpp:29,
>>                  from /home/jdk/test/hotspot/gtest/memory/test_guardedMemory.cpp:25:
>> In function 'void* memset(void*, int, size_t)',      
>>     inlined from 'virtual void GuardedMemory_buffer_overrun_tail_Test::TestBody()' at /home/jdk/test/hotspot/gtest/memory/test_guardedMemory.cpp:125:11:
>
> Okay. Seems a bit heavy handed to disable across all gtests but okay.
> 
> Thanks,
> David

Thanks @dholmes-ora and @magicus .

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PR: https://git.openjdk.java.net/jdk/pull/5881