On Thu, Feb 28, 2008 at 12:58:35AM +0100, Jan Hubicka wrote: > We probably also can simply allow inlining variadic functions not > calling va_start. I must say that this option appeared to me but I was > unable to think of any sane use case. This probably is one ;)
We already allow inlining variadic functions not calling va_start, already 3.2.x did that and so do all following gccs. In 4.3+ __builtin_va_arg_pack{,_len} support was added, so that you can even pass the ... arguments to variable length functions, query their count etc. Jakub