Regressions on trunk at revision 218658 vs revision 218656

[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 0xffbffe3c 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 0xfffa259c with insufficient space for an object of type 'char'

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 0xffc7898c 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 0xff87c58c with insufficient space for an object of type 'char'
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -O0  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -O1  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -O2  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -O3 -fomit-frame-pointer  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -O3 -g  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128-timode.c   -Os  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -O0  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -O1  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -O2  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -O3 -fomit-frame-pointer  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -O3 -g  execution test
FAIL: gcc.dg/torture/fp-int-convert-float128.c   -Os  execution test
FAIL: gfortran.dg/erf_3.F90   -O0  execution test
FAIL: gfortran.dg/erf_3.F90   -O1  execution test
FAIL: gfortran.dg/erf_3.F90   -O2  execution test
FAIL: gfortran.dg/erf_3.F90   -O3 -fomit-frame-pointer  execution test
FAIL: gfortran.dg/erf_3.F90   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/erf_3.F90   -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gfortran.dg/erf_3.F90   -O3 -g  execution test
FAIL: gfortran.dg/erf_3.F90   -Os  execution test