Problem found by André Stein, then reduced. This D2 code used to work:


import std.typecons, std.algorithm;
alias Tuple!(uint) T;
void main() {
    auto array = [T(1), T(3), T(2)];
    sort(array);
}


But with DMD 2.052 it gives:
object.Exception@src\rt\arraycat.d(40): overlapping array copy