PR libstdc++/57465
	* include/std/functional
	(_Function_base::_Base_manager::_M_not_empty_function): Fix overload
	for pointers.
	* testsuite/20_util/function/cons/57465.cc: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202974 138bc75d-0d04-0410-961f-82ee72b054a4
          * cfgloop.h (number_of_loops): Fix typo in check for null.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202975 138bc75d-0d04-0410-961f-82ee72b054a4
	PR middle-end/58463
        * gcc.dg/pr58463.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202976 138bc75d-0d04-0410-961f-82ee72b054a4