RFR: JDK-8256864: [windows] Improve tracing for mapping errors [v5]

[Thomas Stuefe]

On Wed, 2 Dec 2020 11:38:07 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Feedback Ioi
>
> test/hotspot/gtest/runtime/test_os.cpp line 523:
> 
>> 521: 
>> 522: TEST_VM(os, show_mappings_full_range) {
>> 523:   test_show_mappings(NULL, 0);
> 
> According to hotspot-style.md nullptr should be preferred.

Sigh. 

I have an unreasonable dislike against nullptr and the churn that causes (NULL is nullptr anyway post C++11). But I'll be a good boy and change all those :)

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PR: https://git.openjdk.java.net/jdk/pull/1390