Regressions on trunk at revision 147336 vs revision 147329

[H.J. Lu ia32]

New failures:
FAIL: 26_numerics/slice_array/array_assignment.cc (test for excess errors)
FAIL: 26_numerics/slice_array/requirements/explicit_instantiation.cc (test for excess errors)
FAIL: 26_numerics/valarray/27867.cc (test for excess errors)
FAIL: 26_numerics/valarray/28277.cc (test for excess errors)
FAIL: 26_numerics/valarray/30416.cc (test for excess errors)
FAIL: 26_numerics/valarray/33084.cc (test for excess errors)
FAIL: 26_numerics/valarray/binary_closure.cc (test for excess errors)
FAIL: 26_numerics/valarray/const_bracket.cc (test for excess errors)
FAIL: 26_numerics/valarray/dr543.cc (test for excess errors)
FAIL: 26_numerics/valarray/init-list.cc (test for excess errors)
FAIL: 26_numerics/valarray/name_lookup.cc (test for excess errors)
FAIL: 26_numerics/valarray/requirements/explicit_instantiation.cc (test for excess errors)
FAIL: 26_numerics/valarray/subset_assignment.cc (test for excess errors)

New passes: