RFR: 8266172: -Wstringop-overflow happens in vmError.cpp

[Thomas Stuefe]

On Thu, 29 Apr 2021 07:26:05 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> We can see following compiler warnings in vmError.cpp on GCC 11.
> 
> 
> In function 'void crash_with_segfault()',
>     inlined from 'static void VMError::controlled_crash(int)' at /home/ysuenaga/github-forked/jdk/src/hotspot/share/utilities/vmError.cpp:1804:33:

I'm fine with this patch. 

nit: does the C++ styleguide require C++ casts now? I don't remember seeing anything. I dislike the verbosity of these casts.

Cheers, Thomas

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Marked as reviewed by stuefe (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/3789