Regressions on trunk at revision 180110 vs revision 180108

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/tree-ssa/builtin-expect-1.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2
FAIL: gcc.dg/tree-ssa/builtin-expect-1.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2
FAIL: gcc.dg/tree-ssa/builtin-expect-2.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2
FAIL: gcc.dg/tree-ssa/builtin-expect-2.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2
FAIL: gcc.dg/tree-ssa/builtin-expect-3.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2
FAIL: gcc.dg/tree-ssa/builtin-expect-3.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2
FAIL: gcc.dg/tree-ssa/builtin-expect-4.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2
FAIL: gcc.dg/tree-ssa/builtin-expect-4.c scan-tree-dump-times gimple "builtin_expect[^\n]*, 0\);\n[^\n]*if" 2

New passes: