Clang and gcc have moved this out of experimental and into std::source_location, but only in their very latest releases. Change-Id: I9d9d9155788ee4240455ac4628b298dface4ad24 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93868 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>