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

[David Holmes]

On Sun, 10 Oct 2021 13:05:40 GMT, Jie Fu <jiefu 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

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Marked as reviewed by dholmes (Reviewer).

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