jenkins: select gcc12 on AIX for Node.js >=23

[richardlau]

Refs: #3806
Refs: #3773

[richardlau]

Test CI: https://ci.nodejs.org/job/richardlau-node-test-commit-aix/65/ ✔️

+ . ./build/jenkins/scripts/select-compiler.sh
++ '[' '' '!=' DONT ']'
++ NODE_NAME=test-ibm-aix72-ppc64_be-1
++ echo 'Selecting compiler based on test-ibm-aix72-ppc64_be-1'
Selecting compiler based on test-ibm-aix72-ppc64_be-1
++ case $NODE_NAME in
++ SELECT_ARCH=AIXPPC
++ '[' -z x ']'
++ case $NODE_NAME in
++ '[' AIXPPC = PPC64LE ']'
++ '[' AIXPPC = S390X ']'
++ '[' AIXPPC = IBMI73 ']'
++ '[' AIXPPC = AIXPPC ']'
++ '[' 23 -gt 22 ']'
++ export COMPILER_LEVEL=12
++ COMPILER_LEVEL=12
+++ oslevel
++ export AIX_VERSION=7.2.0.0
++ AIX_VERSION=7.2.0.0
++ echo 'Setting compiler for Node version 23 on AIX 7.2.0.0'
Setting compiler for Node version 23 on AIX 7.2.0.0
++ export CC=gcc-12
++ CC=gcc-12
++ export CXX=g++-12
++ CXX=g++-12
++ export LINK=g++-12
++ LINK=g++-12
++ '[' 12 -ne 10 ']'
++ export LIBPATH=/opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/12/pthread:/opt/freeware/lib:/usr/lib:/lib
++ LIBPATH=/opt/freeware/lib/gcc/powerpc-ibm-aix7.2.0.0/12/pthread:/opt/freeware/lib:/usr/lib:/lib
++ export PATH=/opt/ccache-3.7.4/libexec:/opt/freeware/bin:/opt/freeware/bin:/usr/opt/python3/bin/:/usr/bin:/etc:/usr/sbin:/usr/ucb:/home/iojs/bin:/usr/bin/X11:/sbin:.
++ PATH=/opt/ccache-3.7.4/libexec:/opt/freeware/bin:/opt/freeware/bin:/usr/opt/python3/bin/:/usr/bin:/etc:/usr/sbin:/usr/ucb:/home/iojs/bin:/usr/bin/X11:/sbin:.
+++ g++-12 -dumpversion
++ echo 'Compiler set to GCC' 12
Compiler set to GCC 12
+ curl -s https://raw.githubusercontent.com/nodejs/node/main/CHANGELOG.md
+ PYTHONUTF8=1
+ NODE_TEST_DIR=/home/iojs/build
+ TMP=/home/iojs/build
+ FLAKY_TESTS=dontcare
+ CONFIG_FLAGS=' --dest-cpu=ppc64'
+ gmake run-ci -j 8 JOBS=8
python3 ./configure --verbose  --dest-cpu=ppc64
Node.js configure: Found Python 3.9.19...
Detected C++ compiler (CXX=g++-12) version: 12.3.0
Detected C compiler (CC=gcc-12) version: 12.3.0
...

[abmusse]

LGTM