import std.stdio;
void main() {
int[] as = [111, 666];
writeln(as);
as ~= as[$ - 2]; //!<- doesn't append 111 but the one right to it
writeln(as);
//! subtracting one more works correctly
int[] bs = [111, 666];
writeln(bs);
bs ~= bs[$ - 3];
writeln(bs);
//! fetches memory outside of array
int[] cs = [111];
auto mem = *(&cs[0] + 1);
writeln(cs);
cs ~= cs[$ - 1];
writeln(cs);
assert(cs[1] == mem);
}
-----
!!! 64-bit specific error !!!
Assign appending using the dollar op fetches the wrong value.
Behaves as if the array length is updated before evaluating the dollar op.