Regressions on trunk at revision 218855 vs revision 218812

[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 0x7fffa36a6c4c with insufficient space for an object of type 'char'

New passes:
FAIL: c-c++-common/ubsan/object-size-10.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
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 0x7fff00e3187c with insufficient space for an object of type 'char'
FAIL: gcc.target/i386/pr64110.c (internal compiler error)
FAIL: gcc.target/i386/pr64110.c (test for excess errors)