Update comments now that LLVM PR3861 has been fixed. However, since conditionally removing the workaround makes the ABI dependent on LLVM version, I reconsidered that. (The same revision of LDC compiling for the same target should probably produce code that follows the same ABI, right?)

module typeinfo7;
extern(C) int printf(char*, ...);
int func(long)
{
    return 0;
}

void main()
{
    auto ti = typeid(typeof(func));
    auto s = ti.toString;
    printf("%.*s\n", s.length, s.ptr);
    assert(s == "int()");
}