This fixes the following warning:
'initializing': conversion from 'Py_ssize_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
// - A copy of the subject.
// - Anything else that may be on top of the stack.
// - Any previous stores we've already stashed away on the stack.
- int nrots = nstores + 1 + pc->on_top + PyList_GET_SIZE(pc->stores);
+ Py_ssize_t nrots = nstores + 1 + pc->on_top + PyList_GET_SIZE(pc->stores);
for (Py_ssize_t i = 0; i < nstores; i++) {
// Rotate this capture to its proper place on the stack:
if (!compiler_addop_i(c, ROT_N, nrots)) {