Support struct array element assignment from dereferenced const pointer

local ffi = jit and require('ffi') or require('cffi')

ffi.cdef[[
typedef struct point {
    int x;
    int y;
} point_t;
]]

local points1 = ffi.new("point_t[4]")
local points2 = ffi.new("point_t[4]")

local cpoints2 = ffi.cast("const point_t *", points2)

print(points1[0].x, points1[0].y) --> 0 0

points2[0].x = 1
points2[0].y = 2

points1[0] = cpoints2[0] --> expected: no error, get: cannot convert 'struct point' to 'struct point'

print(points1[0].x, points1[0].y) --> 1 2

q66 / cffi-lua

Support struct array element assignment from dereferenced const pointer #13