RFR: 8327701: Remove the xlc toolchain [v2]

[Magnus Ihse Bursie]

On Tue, 12 Mar 2024 15:15:27 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> make/autoconf/toolchain.m4 line 409:
>> 
>>> 407:     #    Target: powerpc-ibm-aix7.2.0.0
>>> 408:     #    Thread model: posix
>>> 409:     #    InstalledDir: /opt/IBM/openxlC/17.1.0/bin
>> 
>> Please correct:
>> IBM Open XL C/C++ for AIX 17.1.**1** (xxxxxxxxxxxxxxx), clang version 1**5**.0.0
>>     #    Target: **powerpc-ibm-aix7.2.**5**.7**
>>     #    Thread model: posix
>>     #    InstalledDir: /opt/IBM/openxlC/17.1.**1**/bin
>
> That was just intended as an example code. At one point, this has been printed by the compiler output (at least according to the source I found on the net). I tried to find a bunch of different examples from different platforms and versions. 
> 
> But sure, if it makes you happier, I can replace it with a more up to date example.

Actually, your example seems doctored (the `xxxxx`) string. I think I'll keep the real world example.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/18172#discussion_r1521659238