Regressions on trunk at revision 240395 vs revision 240258

[H.J. Lu ia32]

New failures:
FAIL: gcc.dg/debug/dwarf2/const-2b.c scan-assembler DW_AT_const_value
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1222)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1272)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1383)
FAIL: gfortran.dg/dtio_13.f90   -O  (internal compiler error)
FAIL: gfortran.dg/dtio_13.f90   -O   (test for errors, line 141)
FAIL: gfortran.dg/dtio_13.f90   -O  (test for excess errors)

New passes: