Regressions on trunk at revision 244346 vs revision 244305

[H.J. Lu]

New failures:
FAIL: c-c++-common/Waddress-2.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++98 (test for excess errors)

New passes:
FAIL: gcc.dg/tree-ssa/flatten-3.c scan-assembler cycle[123][: \t\n]
FAIL: gcc.dg/tree-ssa/flatten-3.c scan-assembler cycle[123][: \t\n]