[Bug ipa/78790] Disable IPA-VRP for noclone functions.

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78790

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
noipa was added in GCC 8, which fixes the testsuite writing issue so maybe this
can be closed as won't fix ...