https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89430
--- Comment #4 from Jiangning Liu <jiangning.liu at amperecomputing dot com> --- > We need to be careful with loads > or stores, for instance a load might not trap, while a store would, > so if we see a dominating read access this doesn't mean that a later > write access would not trap. Why? For this case, there is a dominating load for the same address. I don't see why it might trap. Any example?