https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100993
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jsm28 at gcc dot gnu.org, | |rguenth at gcc dot gnu.org Version|tree-ssa |12.0 Keywords| |accepts-invalid, | |ice-on-invalid-code --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I suppose we should reject definitions in the __builtin_* namespace? Joseph, can we? It's fine to define 'memcpy', but it should not valid to define (or even declare?) __builtin_memcpy.