On the other hand, that has been the behaviour of optimising compilers in the face of UBs for years at this point, decades maybe. The linux kernel was hit by a deref' constraint propagation back in 2009 or so.
This is a behaviour I would absolutely expect from the construct, I would even qualify it as "the point".
This is a behaviour I would absolutely expect from the construct, I would even qualify it as "the point".