https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100483
--- Comment #6 from Jan Hubicka <hubicka at ucw dot cz> --- > Thanks for the clarification. I misinterpreted the documentation. > Then it seems that -fno-semantic-interposition is a very safe optimization for > distributions to default to. Closing as intended. Basically -fno-semantic-interposition is OK unless you want to play tricks like interposing alternative malloc implementations. This comes very handy for some low-level libraries but I did not see it being used for interposing say some QT symbols or so. Honza
