Regressions on trunk at revision 199814 vs revision 199804

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.dg/debug/dwarf2/discriminator.c scan-assembler loc [0-9] 11 [0-9]( is_stmt [0-9])? discriminator 1\n
FAIL: gcc.dg/debug/dwarf2/discriminator.c scan-assembler loc [0-9] 11 [0-9]( is_stmt [0-9])? discriminator 2\n
FAIL: gcc.dg/debug/dwarf2/discriminator.c scan-assembler loc [0-9] 11 [0-9]( is_stmt [0-9])?\n
FAIL: gfortran.dg/finalize_16.f90  -O  (internal compiler error)
FAIL: gfortran.dg/finalize_16.f90  -O  (test for excess errors)