2004-06-08  Paolo Carlini  <pcarlini@suse.de>

	* include/ext/pool_allocator.h: Convert to a global free-list,
	as per the original SGI/HP design: move the implementation
	details to struct __pool_base, from which __pool_alloc derives.
	* src/allocator.cc: Instantiate __pool_base.

From-SVN: r82794