Regressions on trunk at revision 219714 vs revision 219703

[H.J. Lu ia32 -fpic]

New failures:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0xfff3a3dc with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0xffecb7ec with insufficient space for an object of type 'char'
ERROR: (DejaGnu) proc "libatomic_target_compile lto10067.c lto10067.o object additional_flags=-flto" does not exist.

New passes:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0xffeaffcc with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0xff90604c with insufficient space for an object of type 'char'
ERROR: (DejaGnu) proc "libatomic_target_compile lto32430.c lto32430.o object additional_flags=-flto" does not exist.