RFR: JDK-8329257: AIX: Switch HOTSPOT_TOOLCHAIN_TYPE from xlc to gcc [v7]

Wed Apr 10 13:33:14 UTC 2024

On Wed, 10 Apr 2024 13:19:50 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Currently XLC16 but looking to upgrade to XLC17 on the minimum supported level for it (So it wouldn't be SP7 at present). Thanks for the ping - we have no current plans to increase to SP7.
>
> Seems like we need to keep it. This is unfortunate. I wouldn't risk mixing malloc and vec_malloc. Who knows what kind of problems this could cause?
> What happens if we try to build this code on AIX 7.2 TL5 SP7? Will the compiler complain because `malloc` is no longer defined? Should we check `defined(malloc)` in addition?

We already built this code since months on AIX 7.2 TL5 SP7, because we raised the OS.
This code is needed on SP5 and does not hurt SP7.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/18536#discussion_r1559441769