https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64857
Bug ID: 64857 Summary: Headers missing from <bits/stdc++.h> and <bits/extc++.h> Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: redi at gcc dot gnu.org In C++11 mode <bits/extc++.h> doesn't include any of the standard headers: #if __cplusplus < 201103L #include <bits/stdtr1c++.h> #endif and <bits/stdc++.h> doesn't include <codecvt> or <shared_mutex>. I'll fix this in stage 1.