Regressions on trunk at revision 269074 vs revision 269068

[H.J. Lu (ia32)]

New failures:

New passes:
FAIL: gcc.target/i386/indirect-thunk-attr-14.c (test for excess errors)
FAIL: gcc.target/i386/indirect-thunk-attr-15.c (test for excess errors)
FAIL: gcc.target/i386/indirect-thunk-attr-16.c (test for excess errors)
FAIL: gcc.target/i386/indirect-thunk-extern-10.c (test for excess errors)
FAIL: gcc.target/i386/indirect-thunk-extern-8.c (test for excess errors)
FAIL: gcc.target/i386/indirect-thunk-extern-9.c (test for excess errors)