gcc/testsuite/gdc.test/compilable/test19754.d

// https://issues.dlang.org/show_bug.cgi?id=19754

void test19754()
{
    shared int x;
    static assert((cast(int*) &x) == &(cast() x));
    (cast() x) = 5;
    (cast() x) += 3;

    const int x1;
    static assert(&x1 == &(cast() x1));
    (cast() x1) = 5;
    (cast() x1) *= 3;

    immutable int x2;
    static assert(&x2 == &(cast() x2));
    (cast() x2) = 5;
    (cast() x2) &= 3;

    int[4] a;
    (cast(long[2]) a)[0] = 5;
    (cast(long[2]) a)[0] += 3;

    static if (is(__vector(int[4])))
    {
        __vector(int[4]) v;
        (cast(int[4]) v)[0] = 5;
        (cast(int[4]) v)[0] += 3;
    }
}

// https://issues.dlang.org/show_bug.cgi?id=20608

void foo(T...)(auto ref T args) {}

struct Tuple
{
    int expand;
}

void test20608()
{
    enum tup = Tuple();
    foo(tup.expand);
}