2007-09-06  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_vector.h (_Vector_base<>::_M_allocate):
	Do not call _M_impl.allocate when __n == 0.
	* testsuite/23_containers/vector/zero_sized_allocations.cc: New.

From-SVN: r128220