On Fri, Dec 30, 2022 at 3:15 PM Joseph Myers <joseph@xxxxxxxxxxxxxxxx> wrote: > I expect to implement these functions in due course for glibc (not GCC, > since these are library functions, with the usual requirements for > definitions with external linkage, though most would also have inline > header implementations based on existing longstanding built-in functions). Unless I am seriously missing something, the compiler is required to provide an implementation of them as it is a freestanding header..right ?