https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509
--- Comment #30 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to Paul Pluzhnikov from comment #28) > P.S. Some of the bugs I found were in parts of the code imported from > open-source projects, so it's not a problem that is specific to just Google. > If the assert problem could be addressed, adding warn_unused_result to trunk > libstdc++ would benefit everyone. That seems a different issue (and it will require convincing different people) than this one. Can you open a new PR if you really think it is a good idea?