Regressions on trunk at revision 233672 vs revision 233657

[H.J. Lu ia32 -fpic]

New failures:
FAIL: gcc.dg/graphite/scop-sor.c scan-tree-dump-times graphite "number of SCoPs: 1" 1

New passes:
FAIL: g++.dg/cilk-plus/CK/fib-opr-overload.cc  -g -fcilkplus execution test