Regressions on trunk at revision 220674 vs revision 220671

[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 0xffe764ac 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 0xffe748fc with insufficient space for an object of type 'char'
FAIL: gcc.target/i386/pr32219-1.c scan-assembler movl[ \t]xxx@GOTOFF\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr32219-1.c scan-assembler-not movl[ \t]xxx@GOT\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr32219-3.c scan-assembler movl[ \t]xxx@GOTOFF\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr32219-3.c scan-assembler-not movl[ \t]xxx@GOT\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr32219-5.c scan-assembler movl[ \t]xxx@GOTOFF\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr32219-5.c scan-assembler-not movl[ \t]xxx@GOT\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr32219-7.c scan-assembler movl[ \t]xxx@GOTOFF\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr32219-7.c scan-assembler-not movl[ \t]xxx@GOT\\(%[^,]*\\), %eax
FAIL: gcc.target/i386/pr64317.c scan-assembler movl[ \\t]+c@GOTOFF[(]%ebx[)]

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 0xffab233c 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 0xffd34f4c with insufficient space for an object of type 'char'