On Thu, 28 May 2015, Jonathan Wakely wrote:
Would there be a danger of an object compiled with gcc-5.1 that calls array<T, 0>::data() finding the _S_ref from an object compiled with gcc-5.2 and hitting the __builtin_unreachable in vali code?
At -O0, maybe. To be safe you would need to give this _S_ref an arbitrary abi_tag. You could also replace all uses of _S_ref with *_S_ptr.
-- Marc Glisse
