https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85164
--- Comment #21 from David Binderman <dcb314 at hotmail dot com> --- (In reply to rsand...@gcc.gnu.org from comment #20) > Thanks for the testing. You are welcome. > Could you open new PRs for the new backtraces? Done. Most of them were already mentioned in bugzilla, but for the rest, I have raised 90241, 90242 and 90244. > But whether the operation triggers > UB is usually determined by the operation being done (i.e. by the > caller) rather than the way poly-int.h implements it. Thanks for the explanation. It is a lot clearer now.