Regressions on trunk at revision 238124 vs revision 238083

[H.J. Lu Intel64 -fpic -mcmodel=medium -mcmodel=large]

New failures:
FAIL: g++.dg/cilk-plus/CK/fib-opr-overload.cc  -g -fcilkplus execution test
FAIL: gfortran.dg/ldist-1.f90   -O   scan-tree-dump ldist "distributed: split to"
FAIL: gfortran.dg/ldist-1.f90   -O   scan-tree-dump ldist "distributed: split to"
FAIL: gfortran.dg/ldist-1.f90   -O   scan-tree-dump ldist "distributed: split to"

New passes: