[Issue 9720] OSX wrong code with -o "Illegal instruction"

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9720



--- Comment #2 from Walter Bright <bugzilla at digitalmars.com> 2013-04-01 21:11:59 PDT ---
Reduced test case:
------------------
import core.stdc.stdio;

struct Payload
{
    size_t _capacity; //Comment me
    int[] _pay;       //Comment me

    size_t insertBack(Data d)
    {
        immutable newLen   = _pay.length + 3;
        _pay.length = newLen;
        _pay = _pay[0 .. newLen]; //Comment me
        return 3;
    }
}

struct Impl
{
    Payload _payload;
    size_t _count;
}

struct Data
{
    Impl* _store;

    this(int i)
    {
        _store = new Impl;
        _store._payload = Payload.init;
    }

    ~this()
    {
        printf("%d\n", _store._count);
        --_store._count;
    }
}


void main()
{
    auto a = Data(1);
    auto b = Data(1);
    a._store._payload.insertBack(b); //Fails
}

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