RFR: JDK-8329257: AIX: Switch HOTSPOT_TOOLCHAIN_TYPE from xlc to gcc [v2]

[Joachim Kern]

On Tue, 2 Apr 2024 14:48:49 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> My question is, do we need this block, because now already configure warns about an outdated compiler, or is a warning to weak and we want to force this error here?
>
> I think that building with xlc 16 is no longer possible because the old build pipeline is no longer supported and that is already caught by configure. So, can we even reach here with older xlc compilers?
> If not, this code can get removed.

Yes, of course you are right. All the compile statements will fail with xlc 16 or older. I will remove it.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18536#discussion_r1548134431