Regressions on trunk at revision 175265 vs revision 175263

[H.J. Lu Intel64 Core 2/i7]

New failures:

New passes:
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 
FAIL: gcc.dg/torture/tls/run-le.c  -O2 -flto -flto-partition=none  (test for excess errors)