[Issue 9931] Bus error interfacing with C function returning structs with floats

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9931



--- Comment #3 from Martin Nowak <code at dawg.eu> 2013-04-14 16:56:04 PDT ---
NSRect foo (id screen)
{
    alias extern (C) NSRect function (id, SEL) frameFp;
    auto fp = cast(frameFp) &objc_msgSend_stret;
    return fp(screen, sel_registerName("visibleFrame".ptr));
}

- You omit the pointer to the return value, that might accidently work on some
ABIs because a hidden pointer to the return value is passed as first argument.

What's the problem with this?

NSRect foo(id screen)
{
    NSRect res;
    objc_msgSend_stret(&res, screen, sel_registerName("visibleFrame"));
    return res;
}

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