RFR: JDK-8329257: AIX: Switch HOTSPOT_TOOLCHAIN_TYPE from xlc to gcc [v3]

[Joachim Kern]

On Tue, 9 Apr 2024 18:32:04 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Joachim Kern has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   version check not needed anymore
>
> src/hotspot/share/utilities/byteswap.hpp line 2:
> 
>> 1: /*
>> 2:  * Copyright (c) 2023, Google and/or its affiliates. All rights reserved.
> 
> Don't drop the creation year.

Done

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PR Review Comment: https://git.openjdk.org/jdk/pull/18536#discussion_r1559142128