jenkins: use gcc 12 on rhel8-s390x for Node.js 22

To avoid a compiler bug in gcc, use gcc-toolset-12 on rhel8-s390x.

Refs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106355
Refs: #3630

jenkins/scripts/select-compiler.sh

@@ -47,6 +47,16 @@ case $NODE_NAME in
         ;;
       *)
         echo "Setting compiler for Node.js $NODEJS_MAJOR_VERSION on" `cat /etc/redhat-release`
+        if [ "$NODEJS_MAJOR_VERSION" -gt "21" ]; then
+          # s390x, use later toolset to avoid https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106355
+          if [ "$SELECT_ARCH" = "S390X" ]; then
+            . /opt/rh/gcc-toolset-12/enable
+            export CC="ccache gcc"
+            export CXX="ccache g++"
+            echo "Selected compiler:" `${CXX} -dumpversion`
+            return
+          fi
+        fi
         if [ "$NODEJS_MAJOR_VERSION" -gt "19" ]; then
           . /opt/rh/gcc-toolset-10/enable
           export CC="ccache gcc"