Regressions on trunk at revision 215790 vs revision 215748

[H.J. Lu Intel64]

New failures:
FAIL: 20_util/declval/requirements/1_neg.cc  (test for errors, line 2088)
FAIL: 20_util/declval/requirements/1_neg.cc  (test for errors, line 2088)
FAIL: 20_util/declval/requirements/1_neg.cc (test for excess errors)
FAIL: 20_util/duration/literals/range.cc  (test for errors, line 799)
FAIL: 20_util/duration/literals/range.cc  (test for errors, line 799)
FAIL: 20_util/duration/literals/range.cc (test for excess errors)
FAIL: 20_util/duration/requirements/typedefs_neg1.cc  (test for errors, line 249)
FAIL: 20_util/duration/requirements/typedefs_neg1.cc  (test for errors, line 249)
FAIL: 20_util/duration/requirements/typedefs_neg1.cc (test for excess errors)
FAIL: 20_util/duration/requirements/typedefs_neg2.cc  (test for errors, line 250)
FAIL: 20_util/duration/requirements/typedefs_neg2.cc  (test for errors, line 250)
FAIL: 20_util/duration/requirements/typedefs_neg2.cc (test for excess errors)
FAIL: 20_util/duration/requirements/typedefs_neg3.cc  (test for errors, line 252)
FAIL: 20_util/duration/requirements/typedefs_neg3.cc  (test for errors, line 252)
FAIL: 20_util/duration/requirements/typedefs_neg3.cc (test for excess errors)
FAIL: 20_util/make_signed/requirements/typedefs_neg.cc  (test for errors, line 1717)
FAIL: 20_util/make_signed/requirements/typedefs_neg.cc  (test for errors, line 1717)
FAIL: 20_util/make_signed/requirements/typedefs_neg.cc  (test for errors, line 1753)
FAIL: 20_util/make_signed/requirements/typedefs_neg.cc  (test for errors, line 1753)
FAIL: 20_util/make_signed/requirements/typedefs_neg.cc (test for excess errors)
FAIL: 20_util/make_unsigned/requirements/typedefs_neg.cc  (test for errors, line 1620)
FAIL: 20_util/make_unsigned/requirements/typedefs_neg.cc  (test for errors, line 1620)
FAIL: 20_util/make_unsigned/requirements/typedefs_neg.cc  (test for errors, line 1656)
FAIL: 20_util/make_unsigned/requirements/typedefs_neg.cc  (test for errors, line 1656)
FAIL: 20_util/make_unsigned/requirements/typedefs_neg.cc (test for excess errors)
FAIL: 23_containers/array/tuple_interface/get_neg.cc  (test for errors, line 277)
FAIL: 23_containers/array/tuple_interface/get_neg.cc  (test for errors, line 277)
FAIL: 23_containers/array/tuple_interface/get_neg.cc  (test for errors, line 286)
FAIL: 23_containers/array/tuple_interface/get_neg.cc  (test for errors, line 286)
FAIL: 23_containers/array/tuple_interface/get_neg.cc  (test for errors, line 294)
FAIL: 23_containers/array/tuple_interface/get_neg.cc  (test for errors, line 294)
FAIL: 23_containers/array/tuple_interface/get_neg.cc (test for excess errors)
FAIL: 23_containers/array/tuple_interface/tuple_element_neg.cc  (test for errors, line 325)
FAIL: 23_containers/array/tuple_interface/tuple_element_neg.cc  (test for errors, line 325)
FAIL: 23_containers/array/tuple_interface/tuple_element_neg.cc (test for excess errors)
FAIL: g++.dg/cpp1y/feat-cxx98-neg.C  -std=gnu++98  (test for errors, line 5)
FAIL: g++.dg/cpp1y/feat-cxx98-neg.C  -std=gnu++98  (test for errors, line 5)

New passes:
FAIL: libstdc++-prettyprinters/debug.cc print deqiter
FAIL: libstdc++-prettyprinters/debug.cc print deqiter
FAIL: libstdc++-prettyprinters/debug.cc print lstciter
FAIL: libstdc++-prettyprinters/debug.cc print lstciter
FAIL: libstdc++-prettyprinters/debug.cc print lstiter
FAIL: libstdc++-prettyprinters/debug.cc print lstiter
FAIL: libstdc++-prettyprinters/debug.cc print mpiter
FAIL: libstdc++-prettyprinters/debug.cc print mpiter
FAIL: libstdc++-prettyprinters/debug.cc print spciter
FAIL: libstdc++-prettyprinters/debug.cc print spciter