Regressions on trunk at revision 227892 vs revision 227881

[H.J. Lu x32 -fpic]

New failures:

New passes:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test