Regressions on trunk at revision 201869 vs revision 201868

[H.J. Lu Intel64 Core 2/i7]

New failures:
FAIL: 22_locale/locale/cons/2.cc (test for excess errors)
FAIL: 23_containers/deque/cons/assign/1.cc (test for excess errors)
FAIL: 25_algorithms/inplace_merge/check_type.cc (test for excess errors)
FAIL: 27_io/basic_filebuf/seekpos/12790-1.cc (test for excess errors)
FAIL: 27_io/basic_stringbuf/sputbackc/wchar_t/1.cc (test for excess errors)
FAIL: tr1/5_numerical_facilities/random/xor_combine/operators/serialize.cc (test for excess errors)
FAIL: tr1/5_numerical_facilities/special_functions/07_conf_hyperg/check_nan.cc (test for excess errors)
FAIL: tr1/8_c_compatibility/cmath/overloads.cc (test for excess errors)

New passes:
FAIL: 25_algorithms/copy/streambuf_iterators/wchar_t/3.cc (test for excess errors)
FAIL: 27_io/basic_stringbuf/sputn/char/1.cc (test for excess errors)
FAIL: ext/pb_ds/example/hash_find_neg.cc  (test for errors, line 65)
FAIL: ext/pb_ds/example/hash_find_neg.cc (test for excess errors)
FAIL: tr1/5_numerical_facilities/random/variate_generator/37986.cc (test for excess errors)
FAIL: tr1/5_numerical_facilities/special_functions/08_cyl_bessel_i/compile.cc (test for excess errors)
FAIL: tr1/5_numerical_facilities/special_functions/09_cyl_bessel_j/compile_2.cc (test for excess errors)