https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113331
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- These are exception handling region labels, possibly nvptx has no way to do EH.
rguenth at gcc dot gnu.org via Gcc-bugs Thu, 11 Jan 2024 02:42:31 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113331
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- These are exception handling region labels, possibly nvptx has no way to do EH.