Regressions on trunk at revision 166644 vs revision 166598

[H.J. Lu Intel64]

New failures:
FAIL: g++.dg/guality/redeclaration1.C  -O2 -flto -flto-partition=none  line 13 i == 42
FAIL: g++.dg/torture/pr34850.C  -O2 -flto -flto-partition=none  (test for excess errors)
FAIL: gcc.dg/guality/pr43077-1.c  -O2 -flto -flto-partition=none  line 42 varb == 2
FAIL: gcc.dg/guality/pr43479.c  -O2 -flto -flto-partition=none  line 13 h == 9
FAIL: gcc.dg/guality/pr43479.c  -O2 -flto -flto-partition=none  line 18 h == 9

New passes:
FAIL: g++.dg/guality/redeclaration1.C  -O2 -fwhopr  line 13 i == 42
FAIL: g++.dg/torture/pr34850.C  -O2 -fwhopr  (test for excess errors)
FAIL: gcc.dg/guality/pr43077-1.c  -O2 -fwhopr  line 42 varb == 2
FAIL: gcc.dg/guality/pr43479.c  -O2 -fwhopr  line 13 h == 9
FAIL: gcc.dg/guality/pr43479.c  -O2 -fwhopr  line 18 h == 9
FAIL: libgomp.graphite/force-parallel-1.c execution test