Regressions on trunk at revision 200324 vs revision 200288

[H.J. Lu ia32]

New failures:
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -O0 -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -O1 -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -O2 -ftree-vectorize -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -O3 -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -O3 -ftree-vectorize -fcilkplus -g execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -g -O0 -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -g -O1 -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -g -O2 -ftree-vectorize -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -g -O3 -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -g -fcilkplus execution test

New passes: