Regressions on trunk at revision 224030 vs revision 224008

[H.J. Lu Intel64 Core i7]

New failures:
FAIL: gcc.dg/graphite/run-id-pr47593.c execution test
FAIL: gcc.target/i386/pr49781-1.c scan-assembler-not lea[lq]?[ \t]\\((%|)r[a-z0-9]*
FAIL: g++.dg/abi/mangle-regparm.C  -std=c++11 (test for excess errors)
FAIL: g++.dg/abi/mangle-regparm.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/abi/mangle-regparm.C  -std=c++98 (test for excess errors)

New passes:
FAIL: c-c++-common/goacc/acc_on_device-2.c scan-rtl-dump-times expand "\\(call [^\\n]* acc_on_device" 0
FAIL: c-c++-common/goacc/acc_on_device-2.c scan-rtl-dump-times expand "\\(call [^\\n]* acc_on_device" 0
ERROR: (DejaGnu) proc "cleanup-tree-dump vect" does not exist.
ERROR: (DejaGnu) proc "cleanup-tree-dump vect" does not exist.
ERROR: (DejaGnu) proc "cleanup-tree-dump vect" does not exist.
ERROR: (DejaGnu) proc "cleanup-tree-dump vect" does not exist.