* include/debug/formater.h: Include bits/c++config.h.
(_M_error): Mark noreturn.
* include/bits/c++config (_GLIBCXX_PURE, _GLIBCXX_CONST,
_GLIBCXX_NORETURN): New.
* include/bits/stl_tree.h (_Rb_tree_increment, _Rb_tree_increment,
_Rb_tree_decrement, _Rb_tree_decrement, _Rb_tree_black_count): Mark pure.
* include/c_compatibility/stdatomic.h (atomic_flag_test_and_set_explicit,
atomic_flag_clear_explicit, __atomic_flag_wait_explicit,
__atomic_flag_for_address): Mark by throw ().
* src/atomic.cc (atomic_flag_test_and_set_explicit,
atomic_flag_clear_explicit, __atomic_flag_wait_explicit,
__atomic_flag_for_address): Mark by throw ().
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146317 138bc75d-0d04-0410-961f-82ee72b054a4