Regressions on master at commit r16-5875 vs commit r16-5872 on Linux/x86_64

[Haochen Jiang]

Regressions on master at commit r16-5875 vs commit r16-5872 on Linux/x86_64
New failures:

New passes:
FAIL: libgomp.c++/../libgomp.c-c++-common/requires-4a.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/requires-4a.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/requires-4a.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/requires-4a.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/requires-4.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/requires-4.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/requires-4.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/requires-4.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/requires-5.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/requires-5.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/requires-5.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/requires-5.c (test for excess errors)