Regressions on trunk at revision 201588 vs revision 201562

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

New failures:
FAIL: 28_regex/algorithms/regex_match/basic/string_01.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/basic/string_range_00_03.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/basic/string_range_01_03.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/basic/string_range_02_03.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/53622.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/57173.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/cstring_bracket_01.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/cstring_plus.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/cstring_questionmark.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/string_any.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/string_range_00_03.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/string_range_01_03.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_match/extended/string_range_02_03.cc (test for excess errors)
FAIL: 28_regex/algorithms/regex_search/basic/string_01.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/basic/cstring.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/basic/raw_string.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/basic/string_range_01_02_03.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/char/cstring_awk.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/char/cstring_egrep.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/char/cstring_grep.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/extended/cstring.cc (test for excess errors)
FAIL: 28_regex/basic_regex/ctors/extended/string_range_01_02_03.cc (test for excess errors)

New passes: