Regressions on trunk at revision 229854 vs revision 229826

[Intel Automatic Testing System [ia32 Core AVX2]]

New failures:
FAIL: compiler driver --help=c++ option(s): "^ +-.*[^:.]$" absent from output: "  -Wplacement-new             Warn for placement new expressions with undefined behavior"
FAIL: compiler driver --help=warnings option(s): "^ +-.*[^:.]$" absent from output: "  -Wplacement-new             Warn for placement new expressions with undefined behavior"
FAIL: g++.dg/warn/Wplacement-new-size.C  -std=gnu++11 (test for excess errors)
FAIL: g++.dg/warn/Wplacement-new-size.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/warn/Wplacement-new-size.C  -std=gnu++98 (test for excess errors)
FAIL: gfortran.dg/goacc/combined_loop.f90   -O  (test for excess errors)
FAIL: gfortran.dg/PR53852.f90   -O  (test for excess errors)
FAIL: gfortran.dg/PR67518.f90   -O  (test for excess errors)

New passes:
FAIL: gfortran.dg/goacc/private-3.f95   -O  (test for excess errors)
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/loop-red-v-2.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (test for excess errors)
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/loop-red-v-2.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (test for excess errors)
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/loop-red-w-2.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (test for excess errors)
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/loop-red-w-2.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (test for excess errors)