[Issue 6774] Assertion failure: '0' on line 1117 in file 'glue.c'

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6774


Kenji Hara <k.hara.pg at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-invalid-code


--- Comment #1 from Kenji Hara <k.hara.pg at gmail.com> 2011-10-06 13:58:09 PDT ---
Remove dependency to std.traits.

----
private template staticLength(tuple...)
{
    enum size_t staticLength = tuple.length;
}
template ReturnType(func...)
    if (staticLength!(func) == 1)    // (a)
{
    static if (is(typeof(func) R == return))
        alias R ReturnType;
    else
        static assert(0, "argument has no return type");
}

struct PointImpl(T)
{
    @property auto test()
    {
        return PointImpl!int();
    }
}

struct Wrapper(T)
{
    T payload;

    auto test()
    {
        //pragma(msg, ReturnType!(T.test));
        //static if (is(ReturnType!(T.test))) { }
        static if (is(ReturnType!(T.test) == void)) { }
        return payload.test;
    }
}

Wrapper!(PointImpl!int) point;

void main()
{
    auto x = point.test;
}
----

A gagged forward reference error at (a) causes this problem.

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