Regressions on trunk at revision 217997 vs revision 217996

[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 0x7fff255b87dc with insufficient space for an object of type 'char'
FAIL: gfortran.dg/coarray_collectives_3.f90   -O  (test for excess errors)
FAIL: gfortran.dg/coarray_collectives_3.f90   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_1.f90   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_1.f90   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_3.f   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_3.f   -O  (test for excess errors)

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 0x7fff5af163cc with insufficient space for an object of type 'char'
FAIL: g++.dg/tsan/cond_race.C   -O0  output pattern test, is ==================