Regressions on master at commit r12-3561 vs commit r12-3534 on Linux/x86_64

[H.J. Lu]

New failures:

New passes:
FAIL: g++.dg/opt/inline9.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/inline9.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/inline9.C  -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/inline9.C  -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C  -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C  -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/pr52727.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/pr52727.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/pr52727.C  -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/pr52727.C  -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/pr58864.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/pr58864.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/pr58864.C  -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/pr58864.C  -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/pr69570.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/pr69570.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/pr69570.C  -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/pr69570.C  -std=gnu++98 (test for excess errors)
FAIL: g++.dg/other/pr39496.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/other/pr39496.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/other/pr39496.C  -std=gnu++2a (test for excess errors)
FAIL: g++.dg/other/pr39496.C  -std=gnu++98 (test for excess errors)