Regressions on trunk at revision 200231 vs revision 200193

[H.J. Lu x32]

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  -O3 -ftree-vectorize -std=c99 -g -fcilkplus execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -O0 -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -O1 -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -O2 -ftree-vectorize -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -O3 -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -g -O0 -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -g -O1 -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -g -O2 -ftree-vectorize -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -g -O3 -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -g -std=c99 execution test
FAIL: c-c++-common/cilk-plus/AN/gather_scatter.c  -fcilkplus -std=c99 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
FAIL: gcc.dg/tree-ssa/attr-alias-2.c (test for excess errors)

New passes: