Regressions on trunk at revision 156045 vs revision 156025

[H.J. Lu Intel64]

New failures:
FAIL: gfortran.dg/vect/fast-math-mgrid-resid.f scan-tree-dump-times optimized "vect_var[^\n]*\+ " 13

New passes:
FAIL: 20_util/bind/35569.cc (test for excess errors)
FAIL: 20_util/bind/35569.cc (test for excess errors)
FAIL: 20_util/bind/38889.cc (test for excess errors)
FAIL: 20_util/bind/38889.cc (test for excess errors)
FAIL: 20_util/bind/42593.cc (test for excess errors)
FAIL: 20_util/bind/42593.cc (test for excess errors)
FAIL: 20_util/bind/nested.cc (test for excess errors)
FAIL: 20_util/bind/nested.cc (test for excess errors)
FAIL: 20_util/bind/placeholders.cc (test for excess errors)
FAIL: 20_util/bind/placeholders.cc (test for excess errors)
FAIL: 20_util/bind/ref2.cc (test for excess errors)
FAIL: 20_util/bind/ref2.cc (test for excess errors)
FAIL: 21_strings/basic_string/requirements/exception/basic.cc (test for excess errors)
FAIL: 21_strings/basic_string/requirements/exception/basic.cc (test for excess errors)
FAIL: 21_strings/basic_string/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 21_strings/basic_string/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 21_strings/basic_string/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 21_strings/basic_string/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/deque/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/deque/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/deque/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/deque/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/deque/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/deque/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/forward_list/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/forward_list/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/forward_list/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/forward_list/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/forward_list/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/forward_list/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/list/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/list/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/list/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/list/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/list/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/list/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/map/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/map/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/map/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/map/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/map/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/map/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/multimap/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/multimap/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/multimap/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/multimap/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/multimap/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/multimap/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/multiset/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/multiset/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/multiset/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/multiset/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/multiset/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/multiset/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/set/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/set/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/set/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/set/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/set/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/set/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_map/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_map/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_map/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_map/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_map/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_map/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_multimap/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_multimap/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_multimap/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_multimap/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_multimap/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_multimap/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_multiset/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_multiset/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_multiset/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_multiset/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_multiset/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_multiset/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_set/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_set/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/unordered_set/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_set/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/unordered_set/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/unordered_set/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/vector/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/vector/requirements/exception/basic.cc (test for excess errors)
FAIL: 23_containers/vector/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/vector/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: 23_containers/vector/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: 23_containers/vector/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: ext/vstring/requirements/exception/basic.cc (test for excess errors)
FAIL: ext/vstring/requirements/exception/basic.cc (test for excess errors)
FAIL: ext/vstring/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: ext/vstring/requirements/exception/generation_prohibited.cc (test for excess errors)
FAIL: ext/vstring/requirements/exception/propagation_consistent.cc (test for excess errors)
FAIL: ext/vstring/requirements/exception/propagation_consistent.cc (test for excess errors)