Regressions on trunk at revision 231475 vs revision 231442

[Intel Automatic Testing System [Intel64 Core AVX2 PIC]]

New failures:
FAIL: g++.dg/guality/pr55665.C   -O2  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C   -O2  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C   -O3 -g  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C   -O3 -g  line 23 p == 40

New passes:
FAIL: gcc.dg/tree-ssa/leaf.c scan-tree-dump-times optimized "return 9" 1
FAIL: gcc.dg/tree-ssa/leaf.c scan-tree-dump-times optimized "return 9" 1
FAIL: gcc.dg/vect/vect-cselim-2.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorized 1 loops" 0
FAIL: gcc.dg/vect/vect-cselim-2.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorized 1 loops" 0
FAIL: gcc.dg/vect/vect-cselim-2.c scan-tree-dump-times vect "vectorized 1 loops" 0
FAIL: gcc.dg/vect/vect-cselim-2.c scan-tree-dump-times vect "vectorized 1 loops" 0