Regressions on trunk at revision 261571 vs revision 261554

[H.J. Lu x32 -fpic]

New failures:

New passes:
FAIL: 20_util/hash/84998.cc (test for excess errors)
FAIL: 23_containers/vector/cons/destructible_debug_neg.cc (test for excess errors)
FAIL: 25_algorithms/binary_search/partitioned.cc (test for excess errors)
FAIL: 25_algorithms/equal_range/partitioned.cc (test for excess errors)
FAIL: 25_algorithms/lexicographical_compare/71545.cc (test for excess errors)
FAIL: 25_algorithms/lower_bound/partitioned.cc (test for excess errors)
FAIL: 25_algorithms/upper_bound/partitioned.cc (test for excess errors)
FAIL: ext/profile/mutex_extensions_neg.cc (test for excess errors)
FAIL: g++.dg/warn/pr31246.C  -std=gnu++11 (test for excess errors)
FAIL: g++.dg/warn/pr31246.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/warn/pr31246.C  -std=gnu++98 (test for excess errors)