New vtable ABI (was Re: Strange behaviour in C++...)

[Jason Merrill]

>>>>> Jason Merrill <jason@cygnus.com> writes:

 > In this case, we will only ever have one thunk per function

Except in the case of covariant returns, I should say, where we will have
one per return adjustment.  But we know all necessary adjustments at the
point of definition of the function, so they can all be within pc-relative
branch range.

Jason