re PR libstdc++/58148 (Fails to insert iterator range into sequence container with -D_GLIBCXX_DEBUG when conversion is needed)
2013-08-30 François Dumont <fdumont@gcc.gnu.org>
PR libstdc++/58148
* include/debug/functions.h (__foreign_iterator_aux4): Use
sequence const_pointer as common type to compare pointers. Add a
fallback overload in case pointers cannot be cast to sequence
const_pointer.
* testsuite/23_containers/vector/modifiers/insert/58148.cc: New.