Regressions on trunk at revision 202826 vs revision 202825

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

New failures:
FAIL: c-c++-common/asan/global-overflow-1.c  -O2  (test for excess errors)
FAIL: c-c++-common/asan/global-overflow-1.c  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: g++.dg/cpp0x/lambda/lambda-conv6.C (test for excess errors)
FAIL: g++.dg/simulate-thread/bitfields.C  -O2 -g -std=c++98  (test for excess errors)
FAIL: g++.old-deja/g++.abi/cxa_vec.C -std=gnu++98 (test for excess errors)
FAIL: g++.old-deja/g++.bob/packed1.C -std=c++98 (test for excess errors)

New passes: