Regressions on trunk at revision 200244 vs revision 200234

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: gcc.dg/torture/pr57584.c  -O0  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -O1  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -O2  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -O3 -g  (test for excess errors)
FAIL: gcc.dg/torture/pr57584.c  -Os  (test for excess errors)
FAIL: gcc.dg/tree-ssa/ivopt_2.c scan-tree-dump-times ivopts "PHI <ivtmp" 1
FAIL: gcc.dg/tree-ssa/ivopt_3.c scan-tree-dump-times ivopts "PHI <ivtmp" 1
FAIL: gcc.dg/tree-ssa/ivopt_4.c scan-tree-dump-times ivopts "PHI <ivtmp" 1
FAIL: gcc.dg/tree-ssa/ivopt_infer_2.c scan-tree-dump-times ivopts "Replacing" 0
FAIL: gcc.dg/tree-ssa/loop-16.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-16.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-18.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-18.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-19.c scan-tree-dump-times optimized "MEM.(base: &|symbol: )a," 2
FAIL: gcc.dg/tree-ssa/loop-19.c scan-tree-dump-times optimized "MEM.(base: &|symbol: )a," 2
FAIL: gcc.dg/tree-ssa/loop-19.c scan-tree-dump-times optimized "MEM.(base: &|symbol: )c," 2
FAIL: gcc.dg/tree-ssa/loop-19.c scan-tree-dump-times optimized "MEM.(base: &|symbol: )c," 2
FAIL: gcc.dg/tree-ssa/loop-2.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-2.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-2.c scan-tree-dump-times optimized "iter" 0
FAIL: gcc.dg/tree-ssa/loop-2.c scan-tree-dump-times optimized "iter" 0
FAIL: gcc.dg/tree-ssa/loop-28.c scan-tree-dump-times optimized "MEM" 65
FAIL: gcc.dg/tree-ssa/loop-3.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-3.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-3.c scan-tree-dump-times optimized "step:" 1
FAIL: gcc.dg/tree-ssa/loop-3.c scan-tree-dump-times optimized "step:" 1
FAIL: gcc.dg/tree-ssa/loop-4.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-4.c scan-tree-dump-times optimized "MEM" 1
FAIL: gcc.dg/tree-ssa/loop-4.c scan-tree-dump-times optimized "iter" 0
FAIL: gcc.dg/tree-ssa/loop-4.c scan-tree-dump-times optimized "iter" 0
FAIL: gcc.dg/tree-ssa/scev-3.c scan-tree-dump-times optimized "&a" 1
FAIL: gcc.dg/tree-ssa/scev-4.c scan-tree-dump-times optimized "&a" 1
FAIL: gcc.dg/tree-ssa/scev-5.c scan-tree-dump-times optimized "&a" 1
FAIL: gcc.dg/tree-ssa/scev-5.c scan-tree-dump-times optimized "&a" 1

New passes:
FAIL: g++.dg/tree-ssa/ivopts-2.C -std=gnu++11  scan-tree-dump-times ivopts "PHI <[pb]" 1
FAIL: g++.dg/tree-ssa/ivopts-2.C -std=gnu++11  scan-tree-dump-times ivopts "PHI <[pb]" 1
FAIL: g++.dg/tree-ssa/ivopts-2.C -std=gnu++98  scan-tree-dump-times ivopts "PHI <[pb]" 1
FAIL: g++.dg/tree-ssa/ivopts-2.C -std=gnu++98  scan-tree-dump-times ivopts "PHI <[pb]" 1