https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124812
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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Keywords| |accepts-invalid
CC| |jsm28 at gcc dot gnu.org
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
This is a frontend issue not rejecting the invalid builtin. Doesn't
ICE with s/__builtin_strlen/strlen/
IMO __builtin_ declarations and definitions should be rejected outright.