https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70476
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- GCC, clang, ICC, and MSVC all agree they have external linkage.
pinskia at gcc dot gnu.org via Gcc-bugs Thu, 26 Aug 2021 17:05:38 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70476
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- GCC, clang, ICC, and MSVC all agree they have external linkage.