Regressions on trunk at revision 219041 vs revision 219011

[H.J. Lu ia32 Core i7]

New failures:

New passes:
FAIL: c-c++-common/ubsan/object-size-10.c   -O2  execution test
FAIL: c-c++-common/ubsan/object-size-10.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test