Regressions on trunk at revision 202819 vs revision 202818

[H.J. Lu Intel64]

New failures:
FAIL: 26_numerics/random/piecewise_linear_distribution/cons/range.cc (test for excess errors)
FAIL: abi/demangle/abi_text/13.cc (test for excess errors)
FAIL: c-c++-common/asan/use-after-free-1.c  -O0  (test for excess errors)
FAIL: c-c++-common/ubsan/div-by-zero-1.c  -O2 -flto -flto-partition=none  (test for excess errors)

New passes:
FAIL: g++.dg/asan/default-options-1.C  -O2  (test for excess errors)
FAIL: g++.dg/cpp0x/initlist49.C (test for excess errors)
FAIL: g++.dg/lto/20080709 cp_lto_20080709_0.o-cp_lto_20080709_0.o link, -O2 -flto -flto-partition=1to1