2011-05-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/49187
	* include/parallel/losertree.h: Add missing using declarations
	of _Base::_M_comp.
	* include/parallel/algobase.h: Include <parallel/algorithmfwd.h>.
	* include/parallel/multiway_merge.h: Include <parallel/
	multiseq_selection.h>, forward declare __merge_advance.
	* include/parallel/multiseq_selection.h: Don't include <parallel/
	sort.h> here.
	* include/ext/pb_ds/detail/thin_heap_/erase_fn_imps.hpp: Fix
	qualification of upper_bound.

	* testsuite/ext/pb_ds/regression/tree_no_data_map_rand_debug.cc:
	Use dg-require-debug-mode.
	* testsuite/ext/pb_ds/regression/tree_data_map_rand_debug.cc:
	Likewise.
	* testsuite/ext/pb_ds/regression/priority_queue_rand_debug.cc:
	Likewise.
	* testsuite/ext/pb_ds/regression/trie_no_data_map_rand_debug.cc:
	Likewise.
	* testsuite/ext/pb_ds/regression/trie_data_map_rand_debug.cc:
	Likewise.
	* testsuite/ext/pb_ds/regression/list_update_no_data_map_rand_debug.cc:
	Likewise.
	* testsuite/ext/pb_ds/regression/list_update_data_map_rand_debug.cc:
	Likewise.
	* testsuite/ext/pb_ds/regression/hash_no_data_map_rand_debug.cc:
	Likewise.
	* testsuite/ext/pb_ds/regression/hash_data_map_rand_debug.cc:
	Likewise.

	* include/parallel/algo.h: Minor uglification fixes.

From-SVN: r174342