Regressions on trunk at revision 205090 vs revision 205087

[H.J. Lu ia32 Core 2/i7]

New failures:
FAIL: gcc.c-torture/execute/20001024-1.c compilation,  -O2 -flto -fno-use-linker-plugin -flto-partition=none 

New passes:
FAIL: gcc.c-torture/execute/20000717-2.c compilation,  -O2 -flto -fno-use-linker-plugin -flto-partition=none 
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O2 -flto -fno-use-linker-plugin -flto-partition=none