Regressions on trunk at revision 175263 vs revision 175259

[H.J. Lu Intel64]

New failures:
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O0 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O1 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O2 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O2 -flto 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -O3 -g 
FAIL: gcc.c-torture/execute/builtin-bitops-1.c execution,  -Os 

New passes: