Regressions on trunk at revision 189737 vs revision 189715

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.dg/tree-prof/update-loopch.c scan-tree-dump optimized "count:33332"
FAIL: gcc.dg/tree-ssa/pr18133-1.c scan-tree-dump-times optimized "fallthru" 3
FAIL: gfortran.dg/assumed_rank_12.f90  -O0   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"
FAIL: gfortran.dg/assumed_rank_12.f90  -O1   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"
FAIL: gfortran.dg/assumed_rank_12.f90  -O2   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"
FAIL: gfortran.dg/assumed_rank_12.f90  -O3 -fomit-frame-pointer   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"
FAIL: gfortran.dg/assumed_rank_12.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"
FAIL: gfortran.dg/assumed_rank_12.f90  -O3 -fomit-frame-pointer -funroll-loops   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"
FAIL: gfortran.dg/assumed_rank_12.f90  -O3 -g   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"
FAIL: gfortran.dg/assumed_rank_12.f90  -Os   scan-tree-dump original " = f \\(\\);.*desc.0.dtype = 600;.*desc.0.data = .void .. D.*;.*sub \\(&desc.0\\);.*D.*= .integer.kind=4. .. desc.0.data;"