Regressions on trunk at revision 223265 vs revision 223252

[H.J. Lu ia32 -fpic]

New failures:
FAIL: g++.dg/cilk-plus/CK/fib-opr-overload.cc  -g -fcilkplus execution test
FAIL: gfortran.dg/lto/pr41521 f_lto_pr41521_0.o assemble, -g -O -flto -Wno-lto-type-mismatch
FAIL: gfortran.dg/lto/pr41521 f_lto_pr41521_0.o assemble, -g -flto -Wno-lto-type-mismatch
FAIL: gfortran.dg/lto/pr41576 f_lto_pr41576_1.o assemble,  -O2 -flto -Werror -Wno-lto-type-mismatch 

New passes: