Regressions on trunk at revision 161383 vs revision 161339

[H.J. Lu]

New failures:
FAIL: 23_containers/unordered_map/erase/1.cc execution test
FAIL: 23_containers/unordered_map/erase/24061-map.cc execution test
FAIL: 23_containers/unordered_map/insert/array_syntax.cc execution test
FAIL: 23_containers/unordered_map/insert/map_range.cc execution test
FAIL: 23_containers/unordered_map/insert/map_single.cc execution test
FAIL: 23_containers/unordered_map/requirements/citerators.cc execution test
FAIL: 23_containers/unordered_map/requirements/exception/basic.cc execution test
FAIL: 23_containers/unordered_map/requirements/exception/generation_prohibited.cc execution test
FAIL: 23_containers/unordered_map/requirements/exception/propagation_consistent.cc execution test
FAIL: 23_containers/unordered_multimap/erase/1.cc execution test
FAIL: 23_containers/unordered_multimap/erase/24061-multimap.cc execution test
FAIL: 23_containers/unordered_multimap/insert/multimap_range.cc execution test
FAIL: 23_containers/unordered_multimap/insert/multimap_single.cc execution test
FAIL: 23_containers/unordered_multimap/requirements/citerators.cc execution test
FAIL: 23_containers/unordered_multimap/requirements/exception/basic.cc execution test
FAIL: 23_containers/unordered_multimap/requirements/exception/generation_prohibited.cc execution test
FAIL: 23_containers/unordered_multimap/requirements/exception/propagation_consistent.cc execution test
FAIL: 23_containers/unordered_multiset/erase/1.cc execution test
FAIL: 23_containers/unordered_multiset/erase/24061-multiset.cc execution test
FAIL: 23_containers/unordered_multiset/insert/multiset_range.cc execution test
FAIL: 23_containers/unordered_multiset/insert/multiset_single.cc execution test
FAIL: 23_containers/unordered_multiset/requirements/citerators.cc execution test
FAIL: 23_containers/unordered_multiset/requirements/exception/basic.cc execution test
FAIL: 23_containers/unordered_multiset/requirements/exception/generation_prohibited.cc execution test
FAIL: 23_containers/unordered_multiset/requirements/exception/propagation_consistent.cc execution test
FAIL: 23_containers/unordered_set/erase/1.cc execution test
FAIL: 23_containers/unordered_set/erase/24061-set.cc execution test
FAIL: 23_containers/unordered_set/insert/set_range.cc execution test
FAIL: 23_containers/unordered_set/insert/set_single.cc execution test
FAIL: 23_containers/unordered_set/requirements/citerators.cc execution test
FAIL: 23_containers/unordered_set/requirements/exception/basic.cc execution test
FAIL: 23_containers/unordered_set/requirements/exception/generation_prohibited.cc execution test
FAIL: 23_containers/unordered_set/requirements/exception/propagation_consistent.cc execution test
FAIL: abi_check
FAIL: ext/pb_ds/example/basic_set.cc execution test
FAIL: ext/pb_ds/example/tree_intervals.cc execution test
FAIL: ext/pb_ds/example/tree_order_statistics.cc execution test
FAIL: ext/pb_ds/regression/tree_data_map_rand.cc execution test
FAIL: ext/pb_ds/regression/tree_no_data_map_rand.cc execution test
FAIL: tr1/6_containers/unordered_map/erase/1.cc execution test
FAIL: tr1/6_containers/unordered_map/erase/24061-map.cc execution test
FAIL: tr1/6_containers/unordered_map/insert/array_syntax.cc execution test
FAIL: tr1/6_containers/unordered_map/insert/map_range.cc execution test
FAIL: tr1/6_containers/unordered_map/insert/map_single.cc execution test
FAIL: tr1/6_containers/unordered_multimap/erase/1.cc execution test
FAIL: tr1/6_containers/unordered_multimap/erase/24061-multimap.cc execution test
FAIL: tr1/6_containers/unordered_multimap/insert/multimap_range.cc execution test
FAIL: tr1/6_containers/unordered_multimap/insert/multimap_single.cc execution test
FAIL: tr1/6_containers/unordered_multiset/erase/1.cc execution test
FAIL: tr1/6_containers/unordered_multiset/erase/24061-multiset.cc execution test
FAIL: tr1/6_containers/unordered_multiset/insert/multiset_range.cc execution test
FAIL: tr1/6_containers/unordered_multiset/insert/multiset_single.cc execution test
FAIL: tr1/6_containers/unordered_set/erase/1.cc execution test
FAIL: tr1/6_containers/unordered_set/erase/24061-set.cc execution test
FAIL: tr1/6_containers/unordered_set/insert/set_range.cc execution test
FAIL: tr1/6_containers/unordered_set/insert/set_single.cc execution test
ERROR: could not compile testsuite_shared.cc
ERROR: could not compile testsuite_shared.cc
ERROR: tcl error sourcing /export/gnu/import/svn/gcc-test/src-trunk/libstdc++-v3/testsuite/libstdc++-abi/abi.exp.
ERROR: tcl error sourcing /export/gnu/import/svn/gcc-test/src-trunk/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp.

New passes: