https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79862
--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> --- Created attachment 40908 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40908&action=edit Make atomic<stdint types> depend on _GLIBCXX_USE_C99_STDINT_TR1 Here's a patch for trunk, which I'll commit after GCC 7 is released.