Regressions on master at commit r11-3381 vs commit r11-3346 on Linux/i686

[H.J. Lu]

New failures:

New passes:
FAIL: compiler driver --help=common option(s): "^ +-.*[^:.]$" absent from output: "  --param=modref-max-tests=   Maximum number of tests perofmed by modref query"
FAIL: compiler driver --help=optimizers option(s): "^ +-.*[^:.]$" absent from output: "  -fipa-modref                Perform interprocedural modref analysis"
FAIL: gcc.target/i386/avx-vandnpd-1.c execution test
FAIL: gcc.target/i386/avx-vandnps-1.c execution test
FAIL: gcc.target/i386/sse2-andnpd-1.c execution test
FAIL: gcc.target/i386/sse-andnps-1.c execution test
FAIL: g++.dg/ext/timevar2.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/ext/timevar2.C  -std=gnu++2a (test for excess errors)
FAIL: g++.dg/ext/timevar2.C  -std=gnu++98 (test for excess errors)