use constexpr for idl "a ... Slots_Impl" objects

after const clean up of the Slot* argument

objdump -t instdir/program/libsclo.so |grep -v data.rel.ro|grep \\\.data|c++filt|grep -v s_cd|wc

before: 96
after: 78

while:

pmap -px PID|grep 'rw.--'|grep -v anon|awk '{ sum+=$4 } END { print sum }'

for a --with-distro=CPLinux-LOKit build and spawned kit calc process from
2352 to 1860 pages

Change-Id: Ic0ea3e7934ac469f7c6225c252506adb5b62a4c2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/187742
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>

0 files changed, 0 insertions, 0 deletions