Regressions on trunk at revision 182666 vs revision 182661

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: 23_containers/multiset/modifiers/insert/3.cc (test for excess errors)
FAIL: libgomp.graphite/force-parallel-6.c execution test
WARNING: program timed out.

New passes:
ERROR: gcc.dg/vect/fast-math-pr35982.c: error executing dg-final: syntax error in target selector "target vect_extract_even_odd || vect_strided2"
ERROR: gcc.dg/vect/fast-math-pr35982.c: error executing dg-final: syntax error in target selector "target vect_extract_even_odd || vect_strided2"