https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100059
--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Probably a read herring as I still get for a.xnvptx-none.c:
static const char *const var_mappings[] = {
"b$linkptr",
"i$linkptr",
"c$linkptr",
"a$linkptr"
};