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

[Yasumasa Suenaga]

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:

-------------

Commit messages:
 - 8266172: -Wstringop-overflow happens in vmError.cpp

Changes: https://git.openjdk.java.net/jdk/pull/3789/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3789&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266172
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3789.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3789/head:pull/3789

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