Regressions on trunk at revision 202819 vs revision 202818

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

New failures:
FAIL: c-c++-common/asan/memcmp-1.c  -O2 -flto -flto-partition=none  (test for excess errors)
FAIL: g++.dg/abi/align1.C -std=c++98 (test for excess errors)
FAIL: g++.dg/ext/is_enum.C -std=c++98 (test for excess errors)
FAIL: g++.dg/ext/stmtexpr2.C -std=gnu++98 (test for excess errors)
FAIL: g++.old-deja/g++.abi/ptrmem.C -std=gnu++98 (test for excess errors)
FAIL: libvtv.cc/template-list-iostream.cc -O2 -fvtable-verify=std (test for excess errors)

New passes:
FAIL: ext/mt_allocator/deallocate_global-2.cc (test for excess errors)