Regressions on master at commit r11-2207 vs commit r11-2186 on Linux/i686

[H.J. Lu]

New failures:
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++14  (test for errors, line 6)
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++14 (test for excess errors)
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++17  (test for errors, line 6)
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++17 (test for excess errors)
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++2a  (test for errors, line 6)
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++2a (test for excess errors)
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++98  (test for errors, line 6)
FAIL: c-c++-common/cpp/pragma-eof.c  -std=c++98 (test for excess errors)
FAIL: c-c++-common/cpp/pragma-eof.c  -Wc++-compat   (test for errors, line 6)
FAIL: c-c++-common/cpp/pragma-eof.c  -Wc++-compat  (test for excess errors)

New passes: