[Bug c++/83814] [8 Regression] ICE: in fold_binary_loc, at fold-const.c:9733

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83814

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Testcase from another PR:
extern "C" void *memset (void *, int, __SIZE_TYPE__);
void *p;

template <int T>
struct B
{
  void foo () { memset (p, 0, 4 * T * sizeof(float)); }
};