Regressions on trunk at revision 218582 vs revision 218555

[H.J. Lu Intel64]

New failures:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fffacd31e7c with insufficient space for an object of type 'char'
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 3)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 3)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 6)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 6)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 6)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 6)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for warnings, line 3)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for warnings, line 3)

New passes:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff6eb6b95c with insufficient space for an object of type 'char'