Regressions on trunk at revision 238374 vs revision 238342

[H.J. Lu Intel64 Core i7]

New failures:
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 12)
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 12)
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 24)
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 24)
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 27)
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 27)
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 9)
FAIL: gcc.dg/tree-ssa/pr19210-1.c  (test for warnings, line 9)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 12)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 12)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 23)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 23)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 26)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 26)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 9)
FAIL: gcc.dg/tree-ssa/pr19210-2.c  (test for warnings, line 9)
FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c scan-tree-dump-times slp2 "vectorization is not profitable" 1

New passes: