Regressions on trunk at revision 157114 vs revision 157108

[H.J. Lu ia64]

New failures:

New passes:
FAIL: gcc.dg/990506-0.c (test for excess errors)
FAIL: gcc.dg/990506-0.c reminder message (test for errors, line 6)
FAIL: gcc.dg/cpp/pragma-1.c (test for excess errors)
FAIL: gcc.dg/cpp/pragma-1.c reminder message (test for errors, line 9)
FAIL: gcc.dg/cpp/pragma-2.c (test for excess errors)
FAIL: gcc.dg/cpp/pragma-2.c reminder message (test for errors, line 13)
FAIL: gcc.dg/gomp/atomic-5.c (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -O0  (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -O1  (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -O2  (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -O2 -flto  (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -O2 -fwhopr  (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -O3 -g  (test for excess errors)
FAIL: gcc.dg/noncompile/20040629-1.c  -Os  (test for excess errors)
FAIL: objc.dg/private-1.m  (test for errors, line 37)
FAIL: objc.dg/private-1.m (test for excess errors)