[issue33575] Python relies on C undefined behavior float-cast-overflow

Benjamin Peterson added the comment: You might want to have a look at #20941. Arguably ubsan is too pendantic in some of these cases. -- nosy: +benjamin.peterson ___ Python tracker __

[issue33575] Python relies on C undefined behavior float-cast-overflow

New submission from Gregory P. Smith : Clang's undefined behavior sanitizer is flagging several places in CPython where it is relying on float-cast-overflow behavior. Typically exposed where an out of bounds floating point value is cast to another type. The clang compiler is about to start ap