[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown. Updates to runtime. Rebuild!

module structs6;

struct S
{
    float f;
}

void func(S s)
{
}

void main()
{
    func(S());
}