[Bug tree-optimization/86544] Popcount detection generates different code on C and C++

[kugan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86544

--- Comment #2 from kugan at gcc dot gnu.org ---
Patch posted at https://gcc.gnu.org/ml/gcc-patches/2018-07/msg00975.html