[Issue 14343] Postfix increment doesn't work on structs with immutable member

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14343

--- Comment #1 from Nicolas Sicard <dransic at gmail.com> ---
The problem doesn't show with the old operator overloading methods:

struct S
{
    int i;
    immutable(Object) o;

    void opAddAssign(int j) { i += j; }
    S opPostInc() { ++i; return this; }
    void opAssign(S other) {}
}

unittest
{
    S s;
    ++s;
    assert(s.i == 1);
    s++;
    assert(s.i == 2);
}

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