https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61848
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Most likely caused by: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=738a6bdaaa22a526fae65016127c229d99f377b4 There is this comment in c-decl.c: /* Copy the assembler name. Currently, it can only be defined in the prototype. */