[Bug c/64459] __attribute__((returns_nonnull)) creates wrong code on amd64

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64459

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC5 supports in -fsanitize=undefined runtime warning or error when
returns_nonnull function does return NULL, so in theory it should be able to
tell you without such script.