Regressions on trunk at revision 258912 vs revision 258870

[H.J. Lu]

New failures:
FAIL: g++.dg/inherit/override-attribs.C  -std=c++11  (test for errors, line 8)
FAIL: g++.dg/inherit/override-attribs.C  -std=c++14  (test for errors, line 8)
FAIL: g++.dg/inherit/override-attribs.C  -std=c++98  (test for errors, line 8)

New passes:
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorized 0 loops" 2
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorized 0 loops" 2
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorized 0 loops" 2
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorizing stmts using SLP" 0
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorizing stmts using SLP" 0
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorizing stmts using SLP" 0
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorized 0 loops" 2
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorized 0 loops" 2
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorized 0 loops" 2
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorizing stmts using SLP" 0
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorizing stmts using SLP" 0
FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorizing stmts using SLP" 0