Regressions on lto at revision 147604 vs revision 147517

[H.J. Lu ia32]

New failures:
FAIL: gcc.c-torture/execute/builtins/memops-asm.c execution,  -O0 -flto 
FAIL: gcc.c-torture/execute/builtins/memops-asm.c execution,  -O0 -fwhopr 
FAIL: gcc.c-torture/execute/builtins/strstr-asm.c execution,  -O0 -flto 
FAIL: gcc.c-torture/execute/builtins/strstr-asm.c execution,  -O0 -fwhopr 

New passes:
FAIL: gcc.c-torture/execute/920415-1.c compilation,  -O0 -flto 
FAIL: gcc.c-torture/execute/920415-1.c compilation,  -O0 -fwhopr 
FAIL: gcc.c-torture/execute/920415-1.c compilation,  -O1 -flto  (internal compiler error)
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O0 -flto 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O0 -fwhopr 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O1 -flto 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O2 -fwhopr 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/920721-4.c compilation,  -Os -flto 
FAIL: gcc.c-torture/execute/builtins/memcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/memcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/memcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/memmove-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/memmove-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/memmove-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/mempcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/mempcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/mempcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/pr23484-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/snprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/snprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/snprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/stpcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/stpcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/stpcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/strcat-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/strcat-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/strcat-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/strcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/strcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/strcpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/strncat-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/strncat-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/strncat-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/strncpy-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/strncpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/strncpy-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/vsnprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/vsnprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/vsnprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/vsprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/vsprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/vsprintf-chk.c execution,  -O3 -flto -fomit-frame-pointer -funroll-loops