Regressions on trunk at revision 265745 vs revision 265734

[H.J. Lu (ia32 Core i7)]

New failures:

New passes:
FAIL: gcc.c-torture/execute/20010904-2.c   -O0  (test for excess errors)
FAIL: gcc.c-torture/execute/20010904-2.c   -O1  (test for excess errors)
FAIL: gcc.c-torture/execute/20010904-2.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.c-torture/execute/20010904-2.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: gcc.c-torture/execute/20010904-2.c   -O2  (test for excess errors)
FAIL: gcc.c-torture/execute/20010904-2.c   -O3 -g  (test for excess errors)
FAIL: gcc.c-torture/execute/20010904-2.c   -Os  (test for excess errors)
FAIL: gcc.dg/Wattributes-10.c  target pdp11*-*-*  (test for errors, line 15)